Table 3. Post hoc pairwise comparison of Visual Analog Scale scale among the three groups.

(I) Groups	(J) Groups	Mean Difference (I-J)	Std. Error	P value	95% Confidence Interval
					Lower Bound	Upper Bound
Group I	Group II	1.92857*	0.69422	0.022*	0.2372	3.6199
	Group III	0.64286	0.69422	0.627	-1.0485	2.3342
Group II	Group I	-1.92857*	0.69422	0.022*	-3.6199	-0.2372
	Group III	-1.28571	0.69422	0.166	-2.9771	0.4056
Group III	Group I	-0.64286	0.69422	0.627	-2.3342	1.0485
	Group II	1.28571	0.69422	0.166	-0.4056	2.9771

Std, standard. ^*P value < 0.05 statistically significant