Risk Factors and Predictors of 1-year Overall Mortality in Patients with COVID-19

Abstract

Aim: To date, limited data exists on 1-year mortality and associated factors in patients with coronavirus diseases-2019 (COVID-19). We determined risk factors and predictors of 1-year mortality. Methods: In this retrospective and single-center study, hospitalized patients with COVID-19 were enrolled between March 11 and March 11, 2020. The primary outcome was 1-year all-cause mortality after discharge from the hospital. Secondary outcomes were the risk factors and predictors of 1-year mortality. A comparative analysis was applied to patients who died after recovering from acute COVID-19 and patients who survived. Results: A total of 567 patients were analyzed. The 1-year mortality occurred in 18 (3.2%) patients. Older age (p=0.001), chronic obstructive pulmonary disease (p=0.001), chronic artery disease (p=0.001), chronic renal failure (p=0.001), presence of pleural fluid (p=0.001), high levels of leukocyte (p=0.001), neutrophil (p=0.001), monocyte (p=0.026), C-reactive protein (p=0.042), procalcitonin (p=0.004), urea (p=0.001), creatinine (p=0.001), troponin (p=0.001), lactate dehydrogenase (p=0.019), potassium (p=0.003), and a low level of alanine aminotransferase (p=0.001) at the first admission were associated with increased long-term mortality. Additionally, the need for intensive care unit (ICU) admission (p=0.007) and invasive ventilation (p=0.019) during the hospital stay for COVID-19 were associated with increased 1-year mortality. Conclusion: This study suggests that age, underlying diseases, pleural fluid, certain laboratory parameters, and ICU care are somewhat associated with 1-year mortality.