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Age, APACHE II, LIPS, SOFA, and NUTRIC scores.
| Variable | Oxygenation index >250 mmHg (n = 54) | Oxygenation index ≤250 mmHg (n = 76) | Z value | p value |
|---|---|---|---|---|
| Age | 69.63 ± 16.17 | 72.78 ± 14.94 | −1.144 | 0.255 |
| APACHE II | 16.97 ± 6.12 (32) | 20.03 ± 6.84 (72) | −2.17 | 0.032 |
| LIS | 3.13 ± 2.24 (32) | 7.04 ± 2.78 (74) | −7.032 | 0.0001 |
| SOFA | 2.67 ± 2.60 (30) | 6.34 ± 3.41 (74) | −5.294 | 0.0001 |
| NUTRIC score | 2.60 ± 2.71 (53) | 5.46 ± 1.89 (76) | −7.069 | 0.0001 |
