COVID-19(91) SARS-CoV-2(57) Patient(32) Mortality(28) association(26) vaccination(21) evaluated(21) severity(21) outcome(20) individual(20) with COVID-19(19) age(18) Infection(18) predict(18) Pneumonia(18) performed(17) COVID‐19(17) SARS‐CoV‐2(17) parameter(16) Prognosis(16) disease(16) 95% CI(16) Result(16) risk(15) death(15) Hospitalization(15) anti-SARS-CoV-2(15) analysis(14) evaluate(14) lactate dehydrogenase(13)