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