COVID-19(41) with COVID-19(14) respiratory(13) coronavirus disease(12) measurement(12) SARS-CoV-2(12) clinical(11) Patient(10) coronavirus(9) outcome(9) Mortality(8) determine(7) significantly(7) severity(6) 95% CI(6) syndrome(6) 95% confidence interval(6) rationale(6) mechanical ventilation(5) risk(5) multicenter(5) Endothelium(5) death(5) changes in(4) change(4) cardiac(4) respiratory distress(4) Kidney injury(4) single-center(4) intubated patients(4)