Variables | Category | Frequency (%) | COR (95%CI) | AOR (95%CI) | P value | |
---|---|---|---|---|---|---|
Normal | Hypoxemic | |||||
ASA (III) | Yes | 5 (18.5) | 22 (81.5) | 2.27 (0.64, 8.1) | 12.35 (4.50, 34.02) | < 0.001 |
No | 198 (60.9) | 127 (39.1) | 1 | 1 | ||
Muscular strength | Score 0 | 62 (39.7) | 94 (60.3) | 1.84 (0.99, 3.42) | 2.944 (1.80, 4.82) | < 0.001 |
Score 1 | 141 (71.9) | 55 (28.1) | 1 | 1 | ||
Age | ≥ 55 | 23 (25.6) | 67 (74.4) | 3.62 (1.72, 7.61) | 3.163 (1.7, 5.91) | < 0.001 |
< 55 | 180 (68.7) | 82 (31.3) | 1 | 1 | ||
Preoperative oxygen saturation | < 95% | 37 (35.2) | 68 (64.8) | 2.72 (1.38, 5.35) | 2.371 (1.35, 4.16) | 0.003 |
≥ 95% | 166 (67.2) | 81 (32.8) | 1 | 1 | ||
BP (hypotensive) | Yes | 7 (21.2) | 26 (78.8) | 9.15 (1.79, 46.82) | 10.3 (2.40, 44.16) | 0.002 |
No | 196 (61.4) | 123 (38.6) | 1 | 1 | ||
Surgery duration | ≥ 120 min | 96 (47.5) | 106 (52.5) | 2.53 (0.74, 8.6) | 2.012 (1.2, 3.51) | 0.014 |
< 120 min | 107 (71.3) | 43 (28.7) | 1 | 1 | ||
Time anesthesia ended | Night | 94 (53.4) | 82 (46.6) | 2.01 (1.1, 3.1) | 1.760 (1.01, 3.05) | 0.045 |
Day | 109 (61.9) | 67 (38.1) | 1 | 1 |