Sensitivity Analysis
In the sensitivity analysis that instead number of comorbidities by the type of comorbidities, hypertension, diabetes mellitus, and cardiovascular disease were included. Multivariate logistic regression identified ECG abnormalities was also associated with severity of COVID-2019 (OR, 30.452; 95% CI, 1.060-874.985; P =0.046), with the exception that BMI was only of borderline significance (OR, 2.510; 95% CI, 0.998-6.313; P =0.51).