Table 4.
PaO 2 /FIO 2 | PaO 2 /FIO 2 | PaO 2 /FIO 2 | p value | |
---|---|---|---|---|
ratio > 241 | ratio 202-241 | ratio < 202 | ||
(n = 2195) | (n = 257) | (n = 249) | ||
Mechanical ventilation (hours) | 35 (101) | 59 (136) | 125 (200) | <0.001 |
Hours until tracheal extubation | 27.5 (74.1) | 42.8 (86.9) | 70.5 (122.9) | <0.001 |
Maximum PEEP needs | 3.4 (1.4) | 4.4 (4.7) | 5.7 (2.5) | <0.001 |
Pneumonia | 0.2 | 1.2 | 0.4 | 0.046 |
Hemothorax | 0.2 | 0 | 0.4 | 0.57 |
Pneumothorax | 2.2 | 3.9 | 6 | 0.001 |
Acute Pulmonary Edema | 5.4 | 6.6 | 15.7 | <0.001 |
Tracheostomy | 4.1 | 6.2 | 17.7 | <0.001 |
Tracheal reintubation | 2.6 | 2.3 | 5.2 | 0.003 |
Diaphragmatic paresis | 0.5 | 0.8 | 1.2 | 0.43 |
Pleural effusion | 6.6 | 10.9 | 16.5 | <0.001 |
PEEP: positive end expiratory pressure. Data expressed as mean (SD).