Table 2.
Comparison of postoperative pain in experimental and control groups
Variables | Groups of study | Test statistic value | P | |
---|---|---|---|---|
| ||||
Control (n=28) | Experimental (n=28) | |||
Total VAS after tonsillectomy (mean±SD) | 7.16±0.75 | 4.05±0.57 | U<0.00001 | <0.001* |
VAS based on days after tonsillectomy (mean±SD) | ||||
1st day | 9.82±0.39 | 9.39±0.74 | U=270.00 | 0.015* |
2nd day | 9.50±0.51 | 7.93±0.81 | U=56.00 | <0.001* |
3rd day | 8.75±0.44 | 6.61±0.88 | U=21.00 | <0.001* |
4th day | 8.04±0.64 | 5.46±0.92 | U=16.00 | <0.001* |
5th day | 7.50±0.96 | 4.36±0.87 | U=13.00 | <0.001* |
6th day | 6.86±1.15 | 3.13±0.96 | U=9.50 | <0.001* |
7th day | 6.25±1.11 | 1.88±0.96 | U=4.00 | <0.001* |
8th day | 5.61±1.32 | 1.08±0.81 | U=4.00 | <0.001* |
9th day | 4.86±1.27 | 0.50±0.64 | U=1.00 | <0.001* |
10th day | 4.43±1.29 | 0.18±0.39 | U<0.00001 | <0.001* |
SD=Standard deviation, U=Mann-Whitney U test. The total mean value of visual Analog Scale for all 10 days on post-operative recovery after adult tonsillectomy (based on objective pain score 0-10). *Significant at level of 5%