Table 2.
Comparison of baseline characteristics for hospital survivors and non-survivors in patients with H1N1 influenza pneumonia
| Survivors(N = 123) | Non-survivors(N = 31) | p-value | |
|---|---|---|---|
| Age, mean (SD) | 58 ± 15.8 | 58.8 ± 14.9 | 0.751 |
| Charlson Comorbidity index (CCI), mean (SD) | 4.4 ± 2.9 | 5.9 ± 3.3 | 0.014 |
| APACHE IV, mean (SD) | 57.3 ± 20.4 | 84.3 ± 20 | 0.001 |
| SOFA, mean (SD) | 4.6 ± 3.0 | 10.6 ± 3.5 | 0.001 |
| Clinical frailty scale (CFS), mean (SD) | 3.9 ± 1.8 | 4.2 ± 2 | 0.414 |
| Days from symptoms onset to ICU admission, mean (SD) | 4.4 ± 2.2 | 5.2 ± 2.1 | 0.154 |
| Tidal volume (mL), mean (SD) | 366.6 ± 45.3 | 356.6 ± 34.5 | 0.318 |
| Driving pressure, mean (SD) | 14.6 ± 4.5 | 16.6 ± 4.4 | 0.126 |
| P/F ratio, mean (SD) | 126.1 ± 61 | 94.1 ± 54 | 0.001 |
| Septic shock, n (%) | 19 (15.4%) | 27 (87%) | 0.003 |
| AKI, n (%) | 11 (8.9%) | 14 (45.1%) | 0.451 |
| Tracheostomized, n (%) | 8 | 5 | 0.676 |
| ICU LOS, mean (SD) | 7.9 ± 10.6 | 9.8 ± 9.0 | 0.378 |
| Hospital LOS, mean (SD) | 12.6 ± 15 | 10.4 ± 9.1 | 0.451 |