Groups | n | 1 | 2 | 3 | 4 | 5 |
---|
EA* | 50 | 0 | 1 | 11 | 10 | 28 |
SA | 50 | 0 | 4 | 18 | 15 | 13 |
EAC * | 50 | 0 | 0 | 8 | 12 | 30 |
χ2 | 18.063 |
P | 0.003 |
- Values are number of patients. EA epidural anaesthesia, SA spinal anaesthesia, EAC epidural anaesthesia combined with caudal anaesthesia. * P < 0.05 vs. SA group