COVID-19(31) obesity(16) SARS-CoV-2(15) Patient(11) BMI(11) significantly(9) diabetes(9) Prevalence(8) intensive care(8) with COVID-19(8) association(8) 95% CI(8) Admission(7) severe COVID-19(7) evaluate(7) body mass index(7) acute respiratory syndrome(7) COVID-19 infection(7) Pneumonia(6) 95% confidence interval(6) individuals(6) diabete(6) age(6) Mortality(6) subject(6) Gender(5) Course(5) respiratory(5) risk(5) observational study(5)