Research Article
Postintubation Decline in Oxygen Saturation Index Predicts Mortality in COVID-19: A Retrospective Pilot Study
Table 2
ARDS severity indices for COVID-19 survivors and nonsurvivors on days 0, 3, and 7 after intubation.
| | | Intubation day | Survivors | Nonsurvivors | |
| | Lung compliance | Day 0 | 18.8 (IQR 18.5) | 16.8 (IQR 7.8) | 0.105 | | Day 3 | 19.4 (IQR 22.4) | 14.6 (IQR 7.2) | 0.014 | | Day 7 | 21.5 (IQR 25.3) | 15.8 (IQR 9.9) | 0.007 |
| | PaO2/FiO2 ratio | Day 0 | 118.1 (IQR 103.3) | 105.0 (IQR 78.1) | 0.432 | | Day 3 | 140.2 (IQR 109.6) | 101.0 (IQR 61.4) | 0.004 | | Day 7 | 178.0 (IQR 69.3) | 106.3 (IQR 94.2) | <0.001 |
| | Oxygenation index | Day 0 | 82.9 (IQR 95.3) | 116.0 (IQR 90.8) | 0.165 | | Day 3 | 84.8 (IQR 86.1) | 135.0 (IQR 129.7) | 0.003 | | Day 7 | 61.5 (IQR 46.7) | 150.0 (IQR 118.4) | <0.001 |
| | SpO2/FiO2 ratio | Day 0 | 150 (IQR 80) | 120 (IQR 70) | 0.217 | | Day 3 | 210 (IQR 90) | 130 (IQR 90) | 0.003 | | Day 7 | 230 (IQR 50) | 130 (IQR 90) | <0.001 |
| | Oxygen saturation index | Day 0 | 10.9 (IQR 7.8) | 12.2 (IQR 9.2) | 0.052 | | Day 3 | 8.0 (IQR 10.0) | 12.0 (IQR 11.7) | 0.006 | | Day 7 | 6.5 (IQR 5.4) | 14.7 (IQR 13.2) | <0.001 |
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Data are presented as median (interquartile range).
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