Postoperative | 0 h | 1 h | 2 h | 6 h | ||||
---|---|---|---|---|---|---|---|---|
group | Control (n = 43) | Mag (n = 45) | Control (n = 43) | Mag (n = 45) | Control (n = 43) | Mag (n = 45) | Control (n = 43) | Mag (n = 45) |
Incidence (%) | 29 (67.4) | 18 (40.0) | 30 (69.8) | 17 (37.8) | 22 (51.2) | 8 (17.8) | 14 (32.6) | 4 (8.9) |
P-value | 0.010 | 0.003 | 0.001 | 0.006 | ||||
Relative risk (95% CI) | 0.54 (0.33–0.88) | 0.48 (0.29–0.81) | 0.59 (0.42–0.83) | 0.74 (0.59–0.92) | ||||
Severity | ||||||||
 Mild | 11 (37.9) | 15 (83.3) | 13 (43.3) | 13 (76.5) | 15 (68.2) | 7 (87.5) | 14 (100) | 4 (100) |
 Moderate to severe | 18 (62.1) | 3 (16.7) | 17 (56.7) | 4 (23.5) | 7 (31.8) | 1 (12.5) | 0 (0) | 0 (0) |
P-value | 0.002 | 0.028 | 0.391 | 1.000 |