Characteristics and Trends of the Hospital Standardized Readmission Ratios for Pneumonia: A Retrospective Observational Study Using Japanese Administrative Claims Data from 2010 to 2018
Abstract
:1. Introduction
2. Methods
2.1. Data Sources
2.2. Calculation of HSRRs
2.3. Relationship between Readmission and In-Hospital Mortality
2.4. Statistical Analysis
2.5. Patient and Public Involvement
3. Results
3.1. Characteristics of the Study Population
3.2. Characteristic of the HSRRs
3.3. Trends of the HSRRs
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Characteristics | 2010–2018 (n = 54,756) | |||
---|---|---|---|---|
Readmission | Non-Readmission | p | ||
Demographic features | ||||
Age 15–64 year (reference) | 168 (0.3) | 8137 (14.9) | <0.001 †† | |
Age 65–74 year | 301 (0.5) | 8394 (15.3) | ||
Age 75 year+ | 1377 (2.5) | 36,379 (66.4) | ||
Sex (% of male) | 1173 (2.1) | 28,944 (50.1) | <0.001 †† | |
Comorbidity | ||||
CCI score 0 (reference) | 758 (1.4) | 25,307 (46.2) | <0.001 †† | |
CCI score 1–2 | 799 (1.5) | 21,376 (39.0) | ||
CCI score 3–4 | 250 (0.5) | 5415 (9.9) | ||
CCI score 5+ | 39 (0.1) | 812 (1.5) | ||
Urgency of admission (% of Emergency admission) | 1546 (2.8) | 46,218 (84.4) | <0.001 †† | |
Severity status | ||||
ADROP score 0 (reference) | 155 (0.3) | 7956 (14.5) | <0.001 †† | |
ADROP score 1–2 (moderate) | 1255 (2.3) | 34,100 (62.3) | ||
ADROP score 3 (severe) | 322 (0.6) | 8186 (14.9) | ||
ADROP score 4–5 (extremely severe) | 114 (0.2) | 2668 (4.9) | ||
LOS (days) | mean ± SD | 24.8 ± 24.7 | 20.2 ± 24.2 | <0.001 † |
Discharge destination (home) | 1157 (2.1) | 36,192 (66.1) | <0.001 †† |
Coefficient | p | Odds Ratio | (95% CI) | |
---|---|---|---|---|
Age 15–64 year (reference) | ||||
Age 65–74 year | 0.318 | 0.003 | 1.375 | (1.117–1.692) |
Age 75 year+ | 0.303 | 0.004 | 1.354 | (1.103–1.663) |
Sex (male) | 0.357 | <0.001 | 1.429 | (1.295–1.577) |
CCI score 0 (reference) | ||||
CCI score 1–2 | 0.313 | 0.003 | 1.169 | (1.055–1.294) |
CCI score 3–4 | 0.315 | <0.001 | 1.371 | (1.182–1.589) |
CCI score 5+ | 0.367 | 0.029 | 1.444 | (1.038–2.010) |
Urgency of admission (Emergency admission) | −0.324 | <0.001 | 0.723 | (0.637–0.821) |
ADROP score 0 (reference) | ||||
ADROP score 1–2 (moderate) | 0.364 | 0.001 | 1.439 | (1.163–1.781) |
ADROP score 3 (severe) | 0.361 | 0.003 | 1.435 | (1.126–1.829) |
ADROP score 4–5 (extremely severe) | 0.424 | 0.004 | 1.528 | (1.146–2.035) |
LOS (days) | 0.003 | <0.001 | 1.003 | (1.002–1.004) |
Discharge destination (home) | −0.214 | <0.001 | 0.807 | (0.730–0.893) |
Period | n | r | p |
---|---|---|---|
2010–2012—2013–2015 | 99 | 0.255 | 0.010 |
2013–2015—2016–2018 | 80 | 0.603 | <0.001 |
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Onishi, R.; Hatakeyama, Y.; Matsumoto, K.; Seto, K.; Hirata, K.; Hasegawa, T. Characteristics and Trends of the Hospital Standardized Readmission Ratios for Pneumonia: A Retrospective Observational Study Using Japanese Administrative Claims Data from 2010 to 2018. Int. J. Environ. Res. Public Health 2021, 18, 7624. https://doi.org/10.3390/ijerph18147624
Onishi R, Hatakeyama Y, Matsumoto K, Seto K, Hirata K, Hasegawa T. Characteristics and Trends of the Hospital Standardized Readmission Ratios for Pneumonia: A Retrospective Observational Study Using Japanese Administrative Claims Data from 2010 to 2018. International Journal of Environmental Research and Public Health. 2021; 18(14):7624. https://doi.org/10.3390/ijerph18147624
Chicago/Turabian StyleOnishi, Ryo, Yosuke Hatakeyama, Kunichika Matsumoto, Kanako Seto, Koki Hirata, and Tomonori Hasegawa. 2021. "Characteristics and Trends of the Hospital Standardized Readmission Ratios for Pneumonia: A Retrospective Observational Study Using Japanese Administrative Claims Data from 2010 to 2018" International Journal of Environmental Research and Public Health 18, no. 14: 7624. https://doi.org/10.3390/ijerph18147624