COVID-19(32) risk(15) association(12) COVID-19 patient(11) Result(11) Patient(10) Laboratory(9) were assessed(8) 95% CI(8) Malnutrition(8) enrolled(7) independent(7) Biomarker(7) deficiency(7) Prevalence(7) disease(7) Intervention(7) BMI(7) outcome(6) Critical(6) Odds ratio(6) Coronavirus disease 2019(6) adjusted(6) higher risk(6) Mortality(6) risk factor(6) Treatment(6) Clinical outcome(5) evaluated(5) median age(5)