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Coronavirus 2019 (COVID-19) is a pandemic associated with a high risk of mortality. Human serum albumin (HSA) is an acute phase reactant with antioxidant property; however, its behavior and impact on survival in COVID-19 patients have never been studied so far. Among 319 COVID-19 patients followed up for a median of 19 days, 64 died. Compared with survivors, nonsurvivors had more prevalence of intensive care unit (ICU) admission, chronic obstructive pulmonary disease (COPD), heart failure, elevated levels of D-dimer, high-sensitivity C reactive protein (hs-CRP) and troponins, and lower values of albumin. At the Cox regression analysis, albumin (hazard ratio HR: 0.38, 95% confidence interval CI: 0.23-0.63, p p = 0.001) were independently associated with mortality, irrespective of adjustment for gender, ICU admission, heart failure, COPD, and hs-CRP levels. Our observation leads to the hypothesis that HSA analysis may be used to identify patients at higher risk of death in COVID-19 patients.
Violi et al. (2020) studied this question.