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Association Between the C-Reactive Protein-Albumin-Lymphocyte (CALLY) Index and Length of Hospital Stay in Patients
Mustafa Candemir1, Emrullah Kızıltunç1, Betül Ayça Yamak1
1Department of Cardiology, Faculty of Medicine, Gazi University, Ankara, Turkey.
Abstract:
Prolonged hospital stays for patients with heart failure (HF) are associated with increased morbidity and mortality. In this study, we investigated the relationship between the C-reactive protein (CRP)-albumin-lymphocyte (CALLY) index, a new marker in patients with decompensated HF, and the length of hospital stay. Consecutive patients (n = 4745) who were hospitalized with decompensated HF between January 2016 and January 2024 (COVID-19 period was excluded) were included in the study. The CALLY index ([albumin × lymphocyte]/[CRP × 104]) was calculated. A relationship was found between the CALLY index and the length of hospital stay in the patients with HF in linear regression analysis. Also, the CALLY index was an independent predictive variable of the length of hospital stay (odds ratio: 0.327; 95% CI: 0.278-0.385; P < .001). CALLY index value of 0.258 can predict long-term hospitalization with 69.2% sensitivity and 70.1% specificity (area under the curve [AUC]: 0.729, 95% CI = 0.714-0.743, P < .001). In addition, the CALLY index was negatively correlated with the length of hospital stay (r = -.47, P < .001). In conclusion, the CALLY index, an inexpensive and easily measured laboratory variable, may be a valuable for estimating the length of hospital stay in decompensated HF.
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