Table 3.
Lasso regression analysis of 28-day mortality in the derivation cohort.
| Characteristic | OR | 95% CI | p value |
|---|---|---|---|
| Age (years) | |||
| 1 (≤ 45) | 1 (ref) | – | |
| 2 (46–54) | 0.79 | 0.39, 1.61 | 0.5 |
| 3 (55–64) | 1.11 | 0.58, 2.13 | 0.8 |
| 4 (≥ 65) | 1.75 | 1.01, 3.10 | 0.048 |
| WBC (× 109 / L) | |||
| 1 (3.5–9.5) | 1 (ref) | – | |
| 2 (≤ 3.5) | 1.71 | 0.76, 3.87 | 0.2 |
| 3 (≥ 9.5) | 1.50 | 1.08, 2.07 | 0.015 |
| NLR | 1.01 | 1.00, 1.02 | 0.006 |
| LDH | 1.77 | 1.25, 2.53 | 0.002 |
| P/F (mmHg) | |||
| 1 (≤ 400) | 1 (ref) | – | |
| 2 (≤ 300) | 0.97 | 0.59, 1.59 | 0.9 |
| 3 (≤ 200) | 1.32 | 0.82, 2.15 | 0.3 |
| 4 (≤ 100) | 2.15 | 1.21, 3.86 | 0.010 |
| D-dimmer | 1.03 | 1.01, 1.06 | 0.008 |
| VD (yes or no) | 4.64 | 3.45, 6.26 | < 0.001 |