P value | Without bucking | With bucking |
|
0.001 | 25 (58%) | 18 (42%) | Alfentanil |
32 (74.5%) | 11 (25.5%) | Lidocaine | |
25 (58%) | 18 (18%) | Alfentanil-Lidocaine | |
12 (28%) | 31 (72%) | Witness |