TABLE 5.
Clinical outcomes in patients with and without severe hypoxemia following AADS after propensity score matching.
| Variables | Included patients n = 206 (%) |
Without severe hypoxemia n = 103 (%) |
With severe hypoxemia n = 103 (%) |
χ2/Z | P-value |
| Mechanical ventilation (h) | 70.0 (43.9, 120.0) | 61.1 (40.5, 92.8) | 91.2 (61.7, 141.3) | 4.171 | <0.001 |
| Pneumonia | 86 (41.7) | 31 (30.1) | 55 (53.4) | 11.498 | 0.001 |
| Reintubation | 41 (19.9) | 18 (17.5) | 23 (22.3) | 0.761 | 0.383 |
| Tracheostomy | 33 (16.0) | 13 (12.6) | 20 (19.4) | 1.768 | 0.184 |
| Readmission to ICU | 25 (12.1) | 9 (8.7) | 16 (15.5) | 2.231 | 0.135 |
| ICU stay (h) | 180.1 (114.3, 317.2) | 144.0 (109.0, 275.1) | 210.3 (154.5, 326.5) | 4.049 | <0.001 |
| Hospital stay (days) | 22 (18, 29) | 21 (16, 27) | 23 (19, 32) | 2.134 | 0.033 |
| Mortality | 25 (12.1) | 7 (6.8) | 18 (17.5) | 5.509 | 0.019 |
AADS, Stanford type A acute aortic dissection surgery; ICU, intensive care unit.