Table 2.
Summary Statistics for the Additional Covariates in the Multiple Regression Models
| Controls | COVID‐19 | P value* | |||
|---|---|---|---|---|---|
| No. | Mean (SD) or n (%) | No. | Mean (SD) or n (%) | ||
| Age, y | 204 | 58.4 (13.4) | 204 | 58.5 (13.6) | 0.980 |
| Male patients | 204 | 114 (56%) | 204 | 114 (56%) | 1.000 |
| Body mass index, kg/m2 | 204 | 28.1 (4.1) | 202 | 28.2 (4.6) | 0.796 |
| Systolic blood pressure, mm Hg | 204 | 135.8 (18.3) | 199 | 135.8 (18.6) | 0.976 |
| Previous myocardial infarction | 196 | 14 (7%) | 203 | 14 (7%) | 0.923 |
| Congestive heart failure | 192 | 7 (4%) | 203 | 8 (4%) | 0.878 |
| COPD | 196 | 7 (4%) | 203 | 7 (3%) | 0.947 |
| Diabetes | 201 | 18 (9%) | 203 | 19 (9%) | 0.888 |
COPD indicates chronic obstructive pulmonary disease.
*
Chi‐square tests for dichotomous variables; t tests for continuous variables.