Table 4: Impact of pre-operative variables on post-operative ABG.
| ≤ 10 dB, n = (%) | > 10 dB, n = (%) | Significance, p = | Odds ratio (95% CI) | |
|---|---|---|---|---|
| Age | ||||
| ≤ 50 (n = 51) | 40 (78.4) | 11 (21.6) | 0.440 | 0.795 (0.277-2.286) |
| > 50 (n = 39) | 32 (82.1) | 7 (17.9) | ||
| Gender | ||||
| M (n = 45) | 33 (73.3) | 12 (26.7) | 0.093 | 0.423 (0.143-1.251) |
| F (n = 45) | 39 (86.7) | 6 (13.3) | ||
| Bilaterality of disease | ||||
| Unilateral (n = 16) | 11 (68.8) | 5 (31.2) | 0.182 | 0.469 (0.633-7.188) |
| Bilateral (n = 74) | 61 (82.4) | 13 (17.6) | ||
| Pre-operative AC | ||||
| > 70 (n = 36) | 34 (94.4) | 2 (5.6) | 0.348 | 7.158 (0.497-11.031) |
| ≤ 70 (n = 54) | 38 (70.4) | 16 (29.6) | ||
| Pre-operative BC | ||||
| > 30 (n = 49) | 45 (76.3) | 14 (23.7) | 0.435 | 0.476 (0.244-3.516) |
| ≤ 30 (n = 41) | 27 (87.1) | 4 (12.9) | ||
| Pre-operative ABG | ||||
| > 30 (n = 60) | 46 (76.7) | 14 (23.3) | 0.174 | 0.505 (1.626-7.037) |
| ≤ 30 (n = 30) | 26 (86.7) | 4 (13.3) | ||