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. 2023 Jul 31;12:202. doi: 10.4103/abr.abr_410_22

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%