Multivariate analysis
| Characteristic | Crude risk ratio (95% CI) | P value | Adjusted risk ratio (95% CI) | P value |
| Sex | ||||
| Female | 1 | 1 | ||
| Male | 1.07 (0.94 to 1.21) | 0.293 | 1.15 (1.01 to 1.31) | 0.044 |
| HIV status | ||||
| No | 1 | 1 | ||
| Yes | 0.94 (0.82 to 1.0.7) | 0.341 | 0.84 (0.72 to 0.97) | 0.019 |
| LIPS | ||||
| Low | 1 | 1 | ||
| High (6 or more) | 1.67 (1.14 to 2.44) | 0.009 | 1.79 (1.14 to 2.83) | 0.012 |
| Heart rate | ||||
| Normal | 1 | 1 | ||
| Abnormal (>100) | 1.05 (0.88 to 1.24) | 0.602 | 1.07 (0.89 to 1.29) | 0.448 |
| MAP | ||||
| Normal | 1 | 1 | ||
| Abnormal (<65) | 1.25 (1.13 to 1.39) | <0.001 | 1.09 (0.98 to 1.22) | 0.125 |
| SpO2% | ||||
| Normal (85+) | 1 | 1 | ||
| Abnormal (<85) | 1.33 (1.15 to 1.54) | <0.001 | 1.29 (1.10 to 1.51) | 0.001 |
| HBG/dl | ||||
| Normal | 1 | 1 | ||
| Abnormal (<8) | 1.11 (0.97 to 1.26) | 0.124 | 1.15 (1.01 to 1.31) | 0.028 |
| Platelet count (×109/ul) | ||||
| Normal | 1 | 1 | ||
| Abnormal (<100) | 1.30 (1.17 to 1.44) | <0.001 | 1.23 (1.11 to 1.38) | <0.001 |
LIPS, Lung Injury Prediction Score; MAP, mean arterial pressure.