Table 3.
Cox regression analysis evaluating pre-existing conditions associated with mortality.
| Clinical characteristics | Univariate |
Multivariate |
||
|---|---|---|---|---|
| HR | p-value | Adjusted HR | p-value | |
| Sex (male) | 1.32 (0.89–1.97) | 0.159 | 1.21 (0.81–1.82) | 0.356 |
| Age category (years) | ||||
| 18–39 | 1 (ref) | 1 (ref) | ||
| 40–49 | 3.67 (1.42–9.45) | 0.007∗ | 2.66 (1.02–6.97) | 0.046∗ |
| 50–59 | 5.99 (2.49–14.39) | <0.001∗ | 3.96 (1.61–9.76) | 0.003∗ |
| 60–69 | 6.95 (2.86–16.90) | <0.001∗ | 4.83 (1.95–11.97) | 0.001∗ |
| ≥70 | 12.88 (5.30–31.30) | <0.001∗ | 8.96 (3.60–22.32) | <0.001∗ |
| Comorbidity present (any) | 2.23 (1.43–3.49) | <0.001∗ | 1.56 (0.97–2.51) | 0.067 |
| Time from illness onset to hospital admission, days∗ | ||||
| ≤7 | 1 (ref) | 1 (ref) | ||
| 8–14 | 0.53 (0.31–0.90) | 0.019∗ | 0.54 (0.32–0.93) | 0.026∗ |
| >14 | 0.56 (0.23–1.39) | 0.212 | 0.52 (0.21–1.29) | 0.158 |
COVID-19, coronavirus disease 2019; HR, hazard ratio; ∗, statistically significant (p-value <0.05).