Effect of the prognostic nutritional index and systemic immuneinflammatory index in predicting short-term mortality in geriatric patients with SARS-CoV-2 infection
DOI:
https://doi.org/10.15584/ejcem.2022.4.3Keywords:
mortality, SARS-Cov-2 infection, PNIAbstract
Introduction and aim. We aimed to investigate whether systemic immune inflammatory index (SII) and prognostic nutritional index (PNI) were associated with short-term mortality in geriatric patients with SARS-CoV-2.
Material and methods. Our study was designed retrospectively. The data of patients that presented to a single center. The primary outcome of the study was the diagnostic value of SII and PNI in predicting 28-day mortality in geriatric patients with SARS-CoV-2 pneumonia.
Results. 272 geriatric patients with SARS-CoV-2 included. The median PNI was 42.5, and the median SII was 687.6 (430‒1404.2). In univariant analysis, PNI and SII has a significant relationship with mortality (p<0.001 and p=0.008, Mann-Whitney U test). PNI had an area under the curve (AUC) value of 0.680, which was significantly higher than that of SII (AUC: 0.6). The odds ratio of PNI (>40.1) and SII (<1.267) for 30-day mortality were determined as 1.12 , and 1.
Conclusion. In conclusion, the blood tests used to calculate PNI and SII are routinely included in complete blood count and biochemistry tests that can be performed in every hospital. According to the results of the current study, the mortality group had significantly higher SII values and significantly lower.
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