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Article

Comparison of Inflammatory Marker Scoring Systems and Conventional Inflammatory Markers in Patients over 65 Years of Age Admitted to the Intensive Care Unit: A Multicenter, Retrospective, Cohort Study

1
Department of Internal Medicine Intensive Care Unit, Faculty of Medicine, Akdeniz University, 07070 Antalya, Türkiye
2
Department of Anesthesiology and Reanimation, University of Health Sciences, Antalya Training and Research Hospital, 07070 Antalya, Türkiye
3
Department of General Medicine Intensive Care Unit, Kepez State Hospital, 07070 Antalya, Türkiye
4
Department of Internal Medicine, Faculty of Medicine, Akdeniz University, 07070 Antalya, Türkiye
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2024, 13(14), 4011; https://doi.org/10.3390/jcm13144011
Submission received: 16 May 2024 / Revised: 27 June 2024 / Accepted: 4 July 2024 / Published: 9 July 2024
(This article belongs to the Section Intensive Care)

Abstract

Background: The aim of the current study is to evaluate the effects of inflammation markers on infection and mortality in patients over 65 years of age monitored in the intensive care unit (ICU). In this study, we attempted to determine the significance of the pan-immune–inflammation value (PIV); the neutrophil–lymphocyte ratio (NLR); the platelet–lymphocyte ratio (PLR); the monocyte–lymphocyte ratio (MLR); the systemic immune–inflammatory index (SII); the systemic immune response index (SIRI); multi-inflammatory indices (MIIs) 1, 2, and 3; and the CRP/albumin ratio (a new biomarker) as prognostic and mortality markers in patients over 65 years of age being monitored in the ICU. Methods: This multicenter, retrospective, cohort study was conducted on patients aged 65 and over who were admitted to two tertiary-level ICUs. Patients with cirrhosis, bone marrow transplantation, hematologic malignancy, steroid intake, current chemotherapy treatment, and neutropenia upon admission to the ICU were excluded from this study. Results: A total of 333 patients were included in this study. The group’s 28-day mortality was found to be 31.8%. When each inflammatory marker associated with 28-day mortality was examined, the CRP/albumin ratio was found to be a better indicator than both the NLR and the SIRI, and the results were statistically significant (AUC: 0.665, 95% CI: 0.604–0.726, and p < 0.001). The NLR showed moderate discriminative ability in distinguishing mortality risk (AUC: 0.593, 95% CI: 0.526–0.660, and p = 0.006). Although the SIRI was lower than the NLR, it produced a statistically significant result (AUC: 0.580, 95% CI: 0.514–0.646, and p = 0.019). The CRP/albumin ratio was the most effective inflammatory marker in predicting mortality risk in older patients admitted to the ICU. Conclusions: It is important to monitor inflammatory markers (especially CRP/albumin ratio, NLR, SIRI, and MII 1-2-3) in older patients admitted to the ICU in order to accurately predict 28-day mortality. In the current study, the effects of PIV, MLR, PLR, and SII on the prediction of 28-day mortality in older ICU patients could not be demonstrated. We believe that more clinical studies are needed to determine the effects of PIV, MLR, PLR, and SII on short- and long-term prognoses and survival in older ICU patients.
Keywords: intensive care unit; inflammatory markers; scoring systems; geriatric patient intensive care unit; inflammatory markers; scoring systems; geriatric patient

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MDPI and ACS Style

Çakin, Ö.; Karaveli, A.; Yüce Aktepe, M.; Gümüş, A.; Yildirim, Ö.E. Comparison of Inflammatory Marker Scoring Systems and Conventional Inflammatory Markers in Patients over 65 Years of Age Admitted to the Intensive Care Unit: A Multicenter, Retrospective, Cohort Study. J. Clin. Med. 2024, 13, 4011. https://doi.org/10.3390/jcm13144011

AMA Style

Çakin Ö, Karaveli A, Yüce Aktepe M, Gümüş A, Yildirim ÖE. Comparison of Inflammatory Marker Scoring Systems and Conventional Inflammatory Markers in Patients over 65 Years of Age Admitted to the Intensive Care Unit: A Multicenter, Retrospective, Cohort Study. Journal of Clinical Medicine. 2024; 13(14):4011. https://doi.org/10.3390/jcm13144011

Chicago/Turabian Style

Çakin, Özlem, Arzu Karaveli, Melike Yüce Aktepe, Ayça Gümüş, and Özlem Esra Yildirim. 2024. "Comparison of Inflammatory Marker Scoring Systems and Conventional Inflammatory Markers in Patients over 65 Years of Age Admitted to the Intensive Care Unit: A Multicenter, Retrospective, Cohort Study" Journal of Clinical Medicine 13, no. 14: 4011. https://doi.org/10.3390/jcm13144011

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