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Article

Urinary Tract Infections in Men in Primary Care in Catalonia, Spain

by
Silvia Fernández-García
1,2,3,*,
Ana Moragas Moreno
4,5,6,
Maria Giner-Soriano
1,3,
Rosa Morros
1,3,5,7,
Dan Ouchi
1,3,
Ana García-Sangenís
1,5,7,
Mònica Monteagudo
1,3,
Ramon Monfà
1,3,7 and
Carl Llor
1,5,8
1
Fundació Institut Universitari per a la Recerca a l’Atenció Primària de Salut Jordi Gol i Gurina, 08007 Barcelona, Spain
2
Department of Medical Sciences, Universitat de Girona, 17004 Girona, Spain
3
Universitat Autònoma de Barcelona, 08193 Bellaterra (Cerdanyola del Vallès), Spain
4
Institut Català de la Salut, Center d’Atenció Primària Jaume I, 43005 Tarragona, Spain
5
CIBER en Enfermedades Infecciosas Instituto Carlos III, 28029 Madrid, Spain
6
Department of Medicine and Surgery, Universitat Rovira i Virgili, 43123 Reus, Spain
7
Spanish Clinical Research Network, UIC IDIAPJGol, 08007 Barcelona, Spain
8
Research Unit for General Practice, Department of Public Health, University of Southern Denmark, 5230 Odense, Denmark
*
Author to whom correspondence should be addressed.
Antibiotics 2023, 12(11), 1611; https://doi.org/10.3390/antibiotics12111611
Submission received: 6 October 2023 / Revised: 3 November 2023 / Accepted: 5 November 2023 / Published: 10 November 2023
(This article belongs to the Special Issue Use of Large Databases Related to Infectious Diseases in Primary Care)
Versions Notes

Abstract

:
Antimicrobial resistance is a major global problem that is primarily driven by the excessive and inappropriate utilization of antibiotics. Urinary tract infections (UTIs) are frequent in primary health care (PHC) and are typically treated with antibiotics. There is ample evidence on the management of this condition in women but not in men. The aim of this study was to describe the epidemiology of UTIs in men in Catalonia, Spain. We conducted a population-based observational cohort study that included male patients diagnosed with UTI within our SIDIAP and CMBD database during the period from 2012 to 2021. UTI diagnoses were grouped into five main groups (cystitis, prostatitis, orchitis and epididymitis, urethritis, and pyelonephritis). Of the 316,762 men with at least one recorded UTI episode, the majority were registered with a diagnosis of cystitis in PHC (212,958 patients). Quinolones were the most commonly recorded treatment for UTIs (between 18.3% and 38.6%, depending on the group), except for urethritis in which a combination of antibiotics (36.7%) was most frequently used. The treatment duration period was between 9 days and 18 days, except for the prostatitis group, in which treatment was extended to 21 days. Urine cultures were documented in up to 30% in the cystitis group. Pyelonephritis was the category linked to most septicemia cases (3.0%). Conclusions: This is the first study to assess UTIs in men using a large PHC database in Spain. The sociodemographic characteristics of our sample are similar to other studies in the literature. In our setting, the use of quinolones for the treatment of UTIs is the most registered, and its duration was between 9 days and 18 days, despite the fact that resistance to quinolones exceeds 20% of the strains in our area.

1. Introduction

It is estimated that by 2050, 10 million people worldwide may die from infections caused by multidrug-resistant pathogens if urgent actions are not taken to fight the problem of antimicrobial resistance, mainly among gram-negative bacteria, and particularly enterobacteria [1]. Antimicrobial resistance poses a challenge to both individual and public health. Escalating resistance can increase the duration of infections, heighten the risk of infecting others, and can result in elevated long-term expenses. Moreover, inappropriate use of antibiotics increases the frequency of associated, occasionally severe side effects and causes increased mortality [2,3]. Unnecessary use of antimicrobial agents is the main cause of resistance generation in the community, and it is estimated that 80% of antimicrobials are prescribed in primary health care (PHC) [4].
Urinary tract infections (UTIs) are a common infection in PHC, and most cases are treated with antibiotics [5,6,7]. UTI represents the second most frequent cause of antibiotic prescriptions in Spain [8]. UTIs are more common in women than in men, with almost 60% of women experiencing at least one episode during their lifetime [9,10]. In contrast, there are few studies on UTIs in the male population in PHC. A study from Sweden showed that lower UTIs are uncommon in men younger than 50 years, and pyelonephritis was more frequent in men older than 71 years [11]. In another study, the mean age of consultation of men with suspected UTI was 61 years, and the incidence increased with age [12].
In most cases, antibiotic treatment of uncomplicated UTIs is empirical, and the choice of antimicrobial is determined based on the most commonly implicated pathogen implicated and local resistance patterns. Several studies have suggested that up to 50% of antibiotic prescriptions are inappropriate [13,14]. Approximately 80% of uncomplicated UTI episodes are attributed to Escherichia coli, thereby requiring an antibacterial agent that effectively targets this pathogen [15,16,17]. Resistance of uropathogens to common antibiotics has increased significantly in recent years in Spain [18].
The diagnosis and treatment of UTIs in men in PHC vary compared to those in women. A recent systematic review highlighted the absence of a consensus regarding UTIs classification and treatment, which can differ from country to country [19]. The present guidelines in PHC in Spain recommend antibiotic treatment for 7 to 14 days, with the exception of acute prostatitis, which may require an extended treatment duration of up to 28 days [20,21].
The aim of our study was to describe the epidemiology of UTIs in men in Catalonia, Spain, between 2012 and 2021, using different local databases that provide us with information on clinical practice in PHC. This study is part of the project called “Urinary Tract Infections in Catalonia” (Infeccions del tracte urinari a Catalunya -ITUCAT-), which includes different work packages [22]. The main project is the European Union Electronic Register of Post-Authorization Studies EUPAS49724 [23].

2. Results

2.1. Population

Information was obtained from 316,762 episodes of UTI involving 2,305,703 men included in the databases between 2012 and 2021. The episodes were classified into five main groups: cystitis with 212,958 patients, prostatitis with 39,008 patients, orchitis and epididymitis with 31,180 patients, urethritis with 26,067 patients, and pyelonephritis with 7549 patients.

2.2. Sociodemographic Characteristics

The average age of men with UTIs ranged from 35 and 61 years. Men diagnosed with cystitis were older, while those with urethritis were younger (Table 1).
As shown in Table 1, more than half of the UTIs were diagnosed in primary care centers in urban settings. The cystitis group had the highest proportion of patients registered as residing in nursing homes, accounting for 7.1% of cases. Additionally, the MEDEA index, a measure of socio-economic deprivation by quintiles [24], was available, and no clear variations were observed among the various levels of socio-economic deprivation in this context.

2.3. Baseline Clinical Characteristics

The baseline clinical characteristics are described in Table 2.
Most of the population were smokers or ex-smokers, and this characteristic was observed in all UTI groups. The frequencies of alcohol consumption were similar in the groups evaluated. Likewise, the body mass index (BMI) values recorded in the different groups ranges from 26.1 to 28.4 kg/m2. The pyelonephritis group had more patients with obesity (BMI over 30%). The most frequent comorbidity not related to the urinary tract was respiratory system diseases in all evaluated groups, followed by dyslipidemia and diabetes mellitus. This trend was observed in all the UTI groups analyzed.
Regarding comorbidities related to the urinary tract, benign prostatic hyperplasia was the most frequently registered diagnosis in the cystitis group, and urinary lithiasis was the most frequently reported in the remaining groups.

2.4. Characteristics of UTI Episode

The frequency of presenting a subsequent episode of the same infection was low in all the groups analyzed (Table 3).
Among the evaluated infections, approximately 60% had documented antibiotic treatments. The cystitis group presented the highest rate of antibiotic registrations, accounting for 76.7% of cases in the database. The average duration of registered treatment was between 9 and 18 days, except in the prostatitis group, where the duration was 21 days.
Regarding the management of infections, urine cultures were most frequently requested in the cystitis and pyelonephritis groups, accounting for 35.1% and 29.5%, respectively. The record of urinary catheter use during the episode was low. In addition, the rate of referrals to specialized care was low, with the exception of the orchitis and epididymitis group, which had a referral rate of 22.9%. The pyelonephritis group had the highest incidence of septicemia (3.0%).
Table 4 provides a detailed overview of the antibiotic treatments recorded during UTI episodes, categorized by treatment group and specifying the most common antibiotic administered in each group. Quinolones were the predominant therapeutic category in all groups, except for the urethritis group. The most frequently prescribed antibiotic was ciprofloxacin. In contrast, antibiotic combinations were the most reported group in urethritis, with cefixime + azithromycin being the most common combination, followed by azithromycin + ciprofloxacin.

3. Discussion

This study describes the characteristics of UTIs in male patients, providing a significant contribution given the scarcity of information on this condition in comparison to women [11,19]. There is a dearth of clinical trials specifically conducted in men, posing challenges in terms of their management [25,26,27,28]. In addition, there is no consensus in the existing literature regarding the diagnosis of UTIs, with most articles categorizing it as a complicated UTI in men [19, 29, 30, 31, 32].
We found that, in general, UTIs in male patients in Catalonia tend to occur in middle-aged patients with a history of smoking, alcohol consumption, and overweight. In these patients, pathologies of the respiratory system were most frequently recorded, followed by dyslipidemia and diabetes mellitus in all groups. The most frequent urinary tract disorders in the UTI group were renal lithiasis, except for benign prostatic hypertrophy, which was more frequent in the cystitis group. The usual treatment in PHC for UTIs was a quinolone, especially ciprofloxacin, for periods ranging from 9 days to 18 days. Regarding the management of UTI, requests for urine cultures, the use of urinary catheters, and referral to specialized care during the infectious episode were infrequent. Few diagnoses of septicemia or renal failure were recorded in the UTIs.
The group with the highest number of diagnosed infections was cystitis. These patients were older, presenting more comorbidities related to the urinary system. It was also the group with the most records of antibiotic treatment during the episode of infection and with more requests for urine cultures. In the prostatitis group, longer treatment durations of up to 21 days were recorded, and in the orchitis and epididymitis groups, there were fewer requests for urine cultures and more referrals to hospitals. The urethritis group consisted of younger men, and the most commonly prescribed treatment was a combination of antibiotics, unlike the other UTIs. Finally, in the pyelonephritis group, there were fewer records of antibiotic treatment in patients with a higher percentage of renal lithiasis and urinary catheterization. In addition, it was the group in which more episodes of septicemia were recorded.
UTIs are typically diagnosed at an average age of 57 years, with the exception of cystitis, which tends to be diagnosed in an older population. This pattern mirrors observations in European countries, such as Norway or France [33,34], as well as in South African regions, such as Cape Town [29]. It should be noted that patients categorized in the orchitis and epididymitis, and the urethritis groups had lower average ages, as these conditions are commonly associated with sexually transmitted diseases that are more prevalent among younger age groups [20].
In our research, we found that men diagnosed with UTI were more likely to be smokers or former smokers. Additionally, they exhibited a moderate risk of alcohol consumption and overweight. Regarding tobacco use, a 2019 study revealed a positive correlation between UTI patients who were elderly, male, smokers (among other factors), and any cause of death within a 60 day period [14]. Nonetheless, further studies are necessary to assess this association.
Respiratory system diseases were the most commonly identified comorbidities, followed by dyslipidemia and diabetes mellitus. These same comorbidities were previously documented in a study conducted within our country in 2021 [35]. Diabetes mellitus is recognized as a risk factor for complicated UTI [20], although there is a lack of information regarding dyslipidemia in the literature. In terms of comorbidities associated with the urinary tract, benign prostatic hyperplasia was the most prevalent in the cystitis group. This comorbidity was also recorded in a French population sample, where 17.8% of patients with UTI had benign prostatic hyperplasia [34].
Approximately 60% of the UTIs sample had documented antibiotic treatment, although the literature indicates a varying range in both higher and lower percentages [11,13,30,33,34,36]. The pyelonephritis group showed the highest proportion of cases without recorded antibiotic treatment, a pattern consistent with findings in studies from Sweden and Norway [11,33]. This might be due to the nature of pyelonephritis, often managed as a high-risk condition with potential septicemia in hospital settings, where antibiotic treatment may not be registered in primary care records.
UTIs are usually treated with quinolones, with an average duration of 14 days. This trend in the use of fluoroquinolones has also been observed in PHC in France and Hungary [34,37]. However, in other countries, such as the UK and Sweden, the use of fluoroquinolones is lower [11,38], or UTIs are treated with other types of antibiotics, as in Norway [33]. Resistance rates of Escherichia coli remain below 5% against fosfomycin and nitrofurantoin in Catalonia, according to current resistance data. However, resistance against amoxicillin and clavulanic acid, as well as quinolones, currently exceeds 20% of strains [39]. Therefore, according to the records, antibiotic treatment is not in line with the resistance observed in our region.
Although the guidelines recommend requesting a urine culture in UTIs in men, our sample recorded a low request for urine culture, with the cystitis group having the highest record (30%). In contrast, in other countries, more urine cultures are performed during an episode of UTI [34].
In summary, according to the data analyzed, the sociodemographic characteristics of our sample are similar to the rest of the population observed in the literature. Likewise, we observed antibiotic use in UTI in men in PHC that would not be in line with the observed resistance rates.
One of the strengths of our study is the large sample size, which allowed us to obtain information from a large part of the male population of Catalonia. In addition, the information obtained corresponds to clinical practice in our primary care setting over a period of 10 years. On the other hand, the limitations of our study are those inherent to observational studies using data from electronic health records. Mainly, causality cannot be determined, and there may be biases due to confounding variables and problems in the records in the health registers. Another limitation of the study is that our data focused on primary settings. Our study provides information on the treatment and management of UTI in the male population in our setting, and this information is both important and useful for future research.

4. Materials and Methods

4.1. Study Design and Population

This was a population-based observational cohort study. The inclusion period was from 1 January 2012, to 31 December 2021. The study population consisted of male patients aged ≥18 years with a diagnosis of UTI registered in SIDIAP during the study period. UTI diagnoses were made according to the International Statistical Classification of Diseases and Related Health Problems, 10th Revision (ICD-10) codes and were grouped into 5 major groups, as shown in Table 5, to facilitate the assessment.

4.2. Data Collection and Data Sources

The data needed to carry out the project were obtained from the SIDIAP database, the Minimum Basic Data Sets (Conjunt minim bàsic de dades (CMBD)) of Hospital Discharges and Emergency Departments (Conjunt mínim bàsic de dades a d’hospitalizació d’aguts (CMBD-HA) and Conjunt mínim bàsic de dades d’atenció urgent (CMBD-UR), respectively) registries.
The SIDIAP contains pseudonymized clinical information from the Electronic Health Records in Primary Care (Estació clínica d’atenció primària) program [40], which is the electronic health record program for PHC of the Catalan Health Institute (Institut Català de la Salut (ICS)) in Catalonia. The ICS manages 328 PHC centers, covering a population of 5.8 million people (approximately 80% of the Catalan population) [41]. Information is available for more than 3384 health professionals who care for the adult population. The data recorded in SIDIAP contain sociodemographic data; health conditions, coded by ICD-10 [42]; clinical parameters; tobacco and alcohol use; diagnostic procedures; PHC laboratory test results; specialist referrals; and prescriptions of PHC medical staff, with the corresponding pharmacy invoice data, registered as anatomical, therapeutic, chemical (ATC) classification system codes [43]. Several reports have shown that SIDIAP data are useful for epidemiological research [41,44]. SIDIAP is listed in the European Network of Centers for Pharmacoepidemiology and Pharmacovigilance resources database [23].
The CMBD is a population-based registry that collects information on conditions treated in the health centers of Catalonia [45] and includes ICD-10 codes [43]. This registry contains information provided by all Catalan healthcare centers on healthcare activity and morbidity. The CMBD-HA contains information on acute hospitalizations, with reasons and dates for hospital admission, while the CMBD-UR reports activity in emergency departments.

4.3. Study Population

An initial population of 341,409 men with a record of at least one episode of UTI between 2012 and 2021 was obtained. Of this population, 5872 were children, and 335,537 were adults ≥ 18 years. Individuals were selected if they had been followed for at least one year after diagnosis, and thus the final sample was 316,762 men.

4.4. Variables and Outcomes

The study variables included sociodemographic information; clinical variables and health conditions, with ICD-10 codes; tobacco and alcohol consumption; PHC laboratory test requests; prescriptions, with their corresponding pharmacy invoice data registered as ATC codes [42]; CMBD-HA hospital information and CMBD-UR emergency department referral information.
For this study, an episode of UTI was defined as the date of the first diagnosis of UTI within a 14 day interval, regardless of the number of diagnoses recorded during this interval. Outside this interval, a diagnosis of UTI was considered a new episode of UTI. Furthermore, in order to define the parameters for antibiotic treatment, the request for PHC laboratory tests, referrals to specialized care, or the presence of a urinary catheter were deemed part of the same period of the UTI if they had been registered in the 15 days preceding the index date of the UTI and up to one month thereafter.
To describe the antibiotic therapies, categorization was conducted based on ATC groups, except for the beta-lactam antibacterial agents, for which only cephalosporins were included. Likewise, within the ATC category encompassing macrolides, lincosamides, and streptogramins, only macrolides were considered. Antibiotics discarded from the latter two categories were regrouped under ‘other antibacterials’. ATC groups not shown in Table 4 were included under the ‘other antibiotics’ group.

4.5. Statistical Analysis

The demographic and baseline characteristics of the participants were reported as frequencies and percentages for categorical variables and means and standard deviation or median and interquartile range for continuous variables, as appropriate. Patient characteristics were presented, stratified by groups based on UTI diagnoses. The distribution of antibiotic treatments among patient groups was ordered by frequency and by single or combination treatments.

4.6. Ethical Aspects and Data Confidentiality

The study was conducted in accordance with the Declaration of Helsinki, Good Research Practice principles and guidelines, and the Real Decreto 957/2020, of November 3, which regulates observational studies of medicines for human use. The study protocol was approved by the Ethics Committee of IDIAP Jordi Gol with ethical approval code 22/089-P (protocol code IJG-ITUCAT-2022, and date of approval: 27 July 2022).

5. Conclusions

We performed a large-scale study on UTI in men within the primary care setting. Almost the entire population of Catalonia was available, allowing the description of male patients with UTI.
The sociodemographic characteristics of our study are similar to other studies in the literature. In our setting, the use of quinolones for the treatment of UTI is the most commonly registered, and its duration was between 9 days and 18 days, despite the fact that the resistance against quinolones exceeds 20% of the strains in our area.
Nevertheless, our study has identified possible inadequate treatment patterns that need further research to improve treatment protocols and outcomes for UTIs in men.

Author Contributions

Conceptualization, A.M.M., R.M. (Rosa Morros) and C.L.; data curation, D.O.; formal analysis, D.O.; investigation, S.F.-G., M.G.-S., R.M. (Rosa Morros), D.O. and M.M.; methodology, A.M.M., R.M. (Rosa Morros) and C.L.; project administration, S.F.-G. and A.G.-S.; resources, S.F.-G., M.G.-S. and D.O.; software, D.O.; supervision, C.L., R.M. (Rosa Morros) and A.M.M.; validation, R.M. (Rosa Morros), M.G.-S., S.F.-G. and D.O.; visualization, S.F.-G., M.G.-S., R.M. (Rosa Morros), D.O., A.G.-S. and R.M. (Ramon Monfà); writing—original draft preparation, S.F.-G.; writing—review and editing, all authors; funding acquisition, all authors except R.M. (Rosa Morros) and R.M. (Ramon Monfà). All authors have read and agreed to the published version of the manuscript.

Funding

This research was funded by Strategic Research and Innovation Plan for Health, Department of Health (Pla Estratègic de Recerca i Innovació en Salut, Departament de Salut) 2022–2024 grant for the financing of research projects in the field of primary health care, grant number SLT021/21/000022.

Institutional Review Board Statement

The study was conducted in accordance with the Declaration of Helsinki, Good Research Practice principles and guidelines, and the Real Decreto 957/2020, dated 3rd November 2020, which regulates observational studies of medicines for human use. The study protocol was approved by the Ethics Committee of IDIAP Jordi Gol (protocol code IJG-jITUCAT-2022 and date of approval: 27/07/2022).

Informed Consent Statement

The need for consent was waived by the Research Ethics Committee of IDIAPJGol as it is deemed unnecessary according to European legislation (Regulation [EU] 2016/679), and Spanish legislation (Ley Orgánica 3/2018, dated 6 December 2018, de Protección de Datos Personales y garantía de los derechos digitales).

Data Availability Statement

The data are not publicly available due to national legal regulations.

Acknowledgments

The authors are grateful to SIDIAP team for their work in maintaining the database and for their help in carrying out the study, and Patryk Bialoskorski for his help in English revision of the article.

Conflicts of Interest

C.L. declares having received research grants form Abbott Diagnostics. All the other authors have no conflict of interest.

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Table 1. Sociodemographic characteristics of patients diagnosed with UTI.
Table 1. Sociodemographic characteristics of patients diagnosed with UTI.
CystitisProstatitisOrchitis and EpididymitisUrethritisPyelonephritis
Number of patients212,95839,00831,18026,0677549
Age 1 (mean (SD))61.2 (18.9)57.57 (15.3)45.0 (17.0)35.1 (12.8)55.2 (17.1)
  >80 years (%)36,731 (17.2)2474 (6.3)947 (3.0)134 (0.5)579 (7.7)
Nursing home (%)15,212 (7.1)764 (2.0)368 (1.2)69 (0.3)231 (3.1)
Area (%)
  Rural37,020 (17.4)6421 (16.5)4824 (15.5)2644 (10.1)1171 (15.5)
  Urban138,985 (65.3)26,983 (69.2)21595 (69.3)19,645 (75.4)5264 (69.7)
MEDEA index 2 (%)
  U125,418 (11.9)5534 (14.2)3567 (11.4)3500 (13.4)943 (12.5)
  U227,363 (12.8)5629 (14.4)4216 (13.5)3692 (14.2)1038 (13.8)
  U329,323 (13.8)5643 (14.5)4481 (14.4)3573 (13.7)1106 (14.7)
  U429,042 (13.6)5370 (13.8)4637 (14.9)4065 (15.6)1098 (14.5)
  U527,839 (13.1)4807 (12.3)4694 (15.1)4815 (18.5)1079 (14.3)
1 Age in years. 2 MEDEA index was categorized in five quintiles: U1 least deprived until U5 most deprived.
Table 2. Baseline clinical characteristics of patients diagnosed with UTI.
Table 2. Baseline clinical characteristics of patients diagnosed with UTI.
CystitisProstatitisOrchitis and EpididymitisUrethritisPyelonephritis
Number of patients212,95839,00831,18026,0677549
Smoking status 1 (%)
  Non-smoker5791 (18.1)1257 (21.0)1214 (26.6)1374 (35.2)253 (22.3)
  Ex-smoker11,747 (36.8)1994 (33.4)1843 (40.4)1691 (43.3)391 (34.4)
  Smoker14,425 (45.1)2728 (45.6)1501 (32.9)843 (21.6)493 (43.4)
Alcohol 1 (%)
  No risk64,832 (49.3)9601 (42.4)6137 (43.1)3693 (40.3)2021 (48.0)
  Moderate risk63,225 (48.0)12,379 (54.7)7578 (53.2)5074 (55.4)2055 (48.8)
  High risk3530 (2.7)656 (2.9)521 (3.7)388 (4.2)138 (3.3)
Body Mass Index 1,2 (mean (SD)) 28.31 (4.7)28.45 (4.5)27.88 (4.9)26.10 (4.6)28.43 (4.9)
  Body Mass Index > 30 (%) 338,212 (31.4)6628 (31.7)3499 (28.2)1236 (17.0)1268 (33.0)
Comorbidities no related to urinary tract
  Diabetes mellitus (%)19,552 (9.2)2091 (5.4)884 (2.8)251 (1.0)560 (7.4)
  Dyslipidemia (%)28,565 (13.4)3464 (8.9)1571 (5.0)376 (1.4)772 (10.2)
  Diseases of the nervous system (%)7487 (3.5)487 (1.2)229 (0.7)52 (0.2)126 (1.7)
  Cerebrovascular diseases (%)9752 (4.6)952 (2.4)360 (1.2)79 (0.3)218 (2.9)
  Diseases of the respiratory system (%)52,215 (24.5)8278 (21.2)5671 (18.2)3920 (15.0)1652 (21.9)
  Musculoskeletal system, and connective tissue diseases (%)2530 (1.2)301 (0.8)108 (0.3)48 (0.2)98 (1.3)
  Diseases of the digestive system (%)5212 (2.4)610 (1.6)357 (1.1)124 (0.5)186 (2.5)
Comorbidities related to urinary tract
  Benign prostatic hypertrophy (%)18,185 (8.5)2010 (5.2)924 (3.0)127 (0.5)394 (5.2)
  Urinary lithiasis (%)14,668 (6.9)2273 (5.8)1375 (4.4)775 (3.0)843 (11.2)
  Chronic renal insufficiency (%)8103 (3.8)633 (1.6)245 (0.8)44 (0.2)256 (3.4)
1 Variables with missing data. 2 Values of body mass index (kg/m2). 3 Obesity by body mass index over 30.
Table 3. Characteristics of UTI episode.
Table 3. Characteristics of UTI episode.
CystitisProstatitisOrchitis and EpididymitisUrethritisPyelonephritis
Number of patients212,95839,00831,18026,0677549
Episodes 1 (%)
  1 episode144,909 (68.0)33,455 (85.8)28,506 (91.4)22,947 (88.0)6771 (89.7)
  2 episodes37,611 (17.7)4408 (11.3)2290 (7.3)2437 (9.3)639 (8.5)
  3 or more episodes30,438 (14.3)1145 (2.9)384 (1.2)683 (2.6)139 (1.8)
Follow-up—years 2 (mean (SD))5.5 (2.9)6.1 (2.9)6.4 (2.9)5.9 (2.8)6.1 (2.9)
Median [IQR]5.1 [3.0, 8.0]6.0 [3.6, 8.5]6.3 [3.9, 8.9]5.5 [3.5, 8.2]5.9 [3.6, 8.4]
Treatment episodes (%)
  Unknown49,555 (23.3)14,363 (36.8)12,175 (39.0)7075 (27.1)3038 (40.2)
  1 Antibiotic122,922 (57.7)18,156 (46.5)14,429 (46.3)9035 (34.7)3212 (42.5)
  2 Antibiotics31,343 (14.7)5045 (12.9)3621 (11.6)8217 (31.5)963 (12.8)
  >2 Antibiotics9138 (4.3)1444 (3.7)955 (3.1)1740 (6.7)336 (4.5)
Time under treatment—days (mean (SD))13.9 (41.0)21.2 (38.1)14.4 (29.7)9.5 (26.2)18.2 (44.8)
Median—days [IQR]9.0 [7.0, 14.0]20.0 [11.0, 27.0]10.0 [7.0, 16.0]7.0 [1.0, 10.0]14.0 [10.0, 21.0]
Urine culture (%)74,829 (35.1)10,103 (25.9)4124 (13.2)3845 (14.8)2225 (29.5)
Urinary catheter (%)4323 (2.0)774 (2.0)83 (0.3)40 (0.2)288 (3.8)
Septicemia (%)1349 (0.6)272 (0.7)31 (0.1)197 (0.8)230 (3.0)
Specialized care referrals 3 (%)16,977 (8.0)5757 (14.8)7149 (22.9)1722 (6.6)1222 (16.2)
1 Number of recorded episodes of the group. More than two episodes represent the number of subsequent episodes. 2 Time between first diagnosis and death or end of follow-up. 3 Registration of specialized care referrals from primary care.
Table 4. Antibiotic treatment of UTI.
Table 4. Antibiotic treatment of UTI.
CystitisProstatitisOrchitis and EpididymitisUrethritisPyelonephritis
Treatment group (%)
Quinolones76,726 (36.0)15,042 (38.6)11,061 (35.5)1524 (5.8)1381 (18.3)
  Ciprofloxacin61,808 (80.6)13,460 (89.5)8434 (76.2)1232 (80.8)1213 (87.8)
Penicillin23,088 (10.8)2141 (5.5)2953 (9.5)593 (2.3)1044 (13.8)
  Amoxicillin22,447 (97.2)2079 (97.1)2864 (97.0)537 (90.6)1023 (98.0)
Cephalosporins12,605 (5.9)2695 (6.9)1157 (3.7)430 (1.6)1042 (13.8)
  Cefuroxime9164 (72.7)1636 (60.7)799 (69.1)96 (22.3)666 (63.9)
  Cefixime3018 (23.9)789 (29.3)305 (26.4)167 (38.8)299 (28.7)
Quinolones + Penicillin7116 (3.3)944 (2.4)738 (2.4)89 (0.3)218 (2.9)
  Amoxicillin + ciprofloxacin5425 (76.2)828 (87.7)583 (79.0)69 (77.5)183 (83.9)
Fosfomycin17,596 (8.3)260 (0.7)70 (0.2)136 (0.5)45 (0.6)
Macrolides847 (0.4)139 (0.4)260 (0.8)3857 (14.8)17 (0.2)
  Azithromycin710 (83.8)109 (78.4)229 (88.1)3795 (98.4)<5%
Other antibacterials 1,23731 (1.8)667 (1.7)686 (2.2)2784 (10.7)77 (1.0)
  Doxycycline264 (7.1)49 (7.35)501 (73.0)2679 (96.2)<5%
  Trimethoprim + sulfamethoxazole1868 (50.1)513 (76.9)131 (19.1)<5%55 (71.4)
Other combinations 221,694 (10.2)2757 (7.1)2080 (6.7)9579 (36.7)687 (9.1)
  Amoxicillin + cefuroxime<5%<5%<5%<5%77 (11.2)
  Cefuroxime + ciprofloxacin2069 (9.5)424 (15.4)160 (7.7)<5%76 (11.1)
  Cefixime + azithromycin<5%<5%<5%1627 (17.0)<5%
  Azithromycin + ciprofloxacin<5%<5%203 (9.8)1594 (16.6)<5%
  Ciprofloxacin + fosfomycin3061 (14.1)181 (6.6)<5%<5%<5%
1 Included the ATC group of beta-lactam antibacterial agents (except cephalosporins), lincosamides, and streptogramins. 2 Only the most frequently registered combinations are listed.
Table 5. Health problems included in the study, coded by ICD-10.
Table 5. Health problems included in the study, coded by ICD-10.
Groups 1ICD—10 2Health Problems
PyelonephritisN10Acute tubulointerstitial nephritis
CystitisN30Cystitis
N30.0Acute cystitis
N30.1Interstitial cystitis (chronic)
N30.2Other chronic cystitis
N30.3Trigonitis
N30.8Other cystitis
N30.9Cystitis, unspecified
N39Urinary tract infection, site not specified
UrethritisN34.1Nonspecific urethritis
N34.3Urethral syndrome, unspecified
ProstatitisN41.0Acute prostatitis
N41.1Chronic prostatitis
N41.3Prostatocystitis
Orchitis and epididymitisN45.0Orchitis, epididymitis, and epididymo-orchitis with abscess
N45.9Orchitis, epididymitis, and epididymo-orchitis without abscess
1 Groups created for the assessment of UTIs. 2 Codes from the International Statistical Classification of Diseases and Related Health Problems, 10th Revision.
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Fernández-García, S.; Moragas Moreno, A.; Giner-Soriano, M.; Morros, R.; Ouchi, D.; García-Sangenís, A.; Monteagudo, M.; Monfà, R.; Llor, C. Urinary Tract Infections in Men in Primary Care in Catalonia, Spain. Antibiotics 2023, 12, 1611. https://doi.org/10.3390/antibiotics12111611

AMA Style

Fernández-García S, Moragas Moreno A, Giner-Soriano M, Morros R, Ouchi D, García-Sangenís A, Monteagudo M, Monfà R, Llor C. Urinary Tract Infections in Men in Primary Care in Catalonia, Spain. Antibiotics. 2023; 12(11):1611. https://doi.org/10.3390/antibiotics12111611

Chicago/Turabian Style

Fernández-García, Silvia, Ana Moragas Moreno, Maria Giner-Soriano, Rosa Morros, Dan Ouchi, Ana García-Sangenís, Mònica Monteagudo, Ramon Monfà, and Carl Llor. 2023. "Urinary Tract Infections in Men in Primary Care in Catalonia, Spain" Antibiotics 12, no. 11: 1611. https://doi.org/10.3390/antibiotics12111611

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