Table 3.
Unadjusted and multivariate adjusted odds ratio of death for Crs, PaO2/FiO2, OI, SpO2/FiO2, and OSI.
| Day 0 | Unadjusted OR (95% CI) | Multivariate OR ∗ (95% CI) | p val (unadj) | p val (adj) |
|---|---|---|---|---|
| Crs (per 10 ml/cm H2O decrease) | 1.644 (0.951, 2.839) | 1.318 (0.960, 2.456) | 0.0737 | 0.383 |
| PaO2/FiO2 (per 10 mmHg decrease) | 1.020 (0.951, 1.083) | 1.010 (0942, 1.083) | 0.6193 | 0.8289 |
| OI (per 10 cm H2O/mmHg increase) | 1.041 (0.961, 1.116) | 1.030 (0.942, 1.12) | 0.3593 | 0.5039 |
| SpO2/FiO2 (per 10 unit decrease) | 1.051 (0.961, 1.161) | 1.062 (0.961, 1.172) | 0.3908 | 0.2285 |
| OSI (per cm H2O increase) | 1.107 (0.996, 1.230) | 1.119 (0.996, 1.258) | 0.0587 | 0.0588 |
|
| ||||
| Day 3 | Unadjusted OR (95% CI) | Multivariate OR ∗ (95% CI) | p val (unadj) | p val (adj) |
|
| ||||
| Crs (per 10 ml/cm H2O decrease) | 1.930 (1.149, 3.219) | 1.708 (1.00, 2.943) | 0.0124 | 0.0512 |
| PaO2/FiO2 (per 10 mmHg decrease) | 1.104 (1.020, 1.207) | 1.116 (1.020, 1.231) | 0.0164 | 0.0229 |
| OI (per 10 cm H2O/mmHg increase) | 1.093 (1.020, 1.207) | 1.0937 (1.010, 1.184) | 0.0142 | 0.0242 |
| SpO2/FiO2 (per 10 mmHg decrease) | 1.138 (1.041, 1.243) | 1.116 (1.020, 1.231) | 0.0048 | 0.0235 |
| OSI (per cm H2O increase) | 1.092 (1.017, 1.173) | 1.088 (1.007, 1.177) | 0.0156 | 0.0333 |
|
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| Day 7 | Unadjusted OR (95% CI) | Multivariate OR ∗ (95% CI) | p val (unadj) | p val (adj) |
|
| ||||
| Crs (per 10 ml/cm H2O decrease) | 2.119 (1.207, 3.772) | 2.004 (1.072, 3.740) | 0.0094 | 0.0282 |
| PaO2/FiO2 (per 10 mmHg decrease) | 1.149 (1.041, 1.268) | 1.172 (1.051, 1.318) | 0.0053 | 0.0045 |
| OI (per 10 cm H2O/mmHg increase) | 1.267 (1.105, 1.452) | 1.357 (1.138, 1.613) | 0.0006 | 0.0006 |
| SpO2/FiO2 (per 10 unit decrease) | 1.293 (1.138, 1.466) | 1.344 (1.161, 1.568) | <0.0001 | 0.0001 |
| OSI (per cm H2O increase) | 1.275 (1.120, 1.451) | 1.346 (1.346, 1.581) | 0.0002 | 0.0003 |