Table 2.
Multiple linear regression analysis (n = 534).
| Estimate | 95% CI | p value | |
|---|---|---|---|
| (Intercept) | 3.741 | 2.163–6.469 | <0.001 |
| Age | 1.037 | 1.025–1.048 | <0.001 |
| Male sex | 1.055 | 0.835–1.332 | 0.655 |
| Days from symptom onset to sampling | 0.997 | 0.995–0.998 | <0.001 |
| Fever | 1.664 | 1.226–2.259 | 0.001 |
| Mechanical ventilation | 1.708 | 0.771–3.782 | 0.188 |
| Systemic corticosteroid use | 2.382 | 1.576–3.601 | <0.001 |
| Hypertension | 1.317 | 0.939–1.847 | 0.111 |
| Diabetes mellitus | 1.176 | 0.735–1.883 | 0.499 |
| Blood type AB | 1.478 | 1.032–2.117 | 0.033 |
CI: confidence interval.