Table 1.

Descriptive statistics of the Visual Analog Scale scores difference from baseline to different time intervals

Change in VAS score	Groups	n	Mean	SD	P
Preoperative versus immediate	Group I	30	1.067	0.583	0.035*
	Group II	30	1.267	0.740
	Group III	30	1.533	0.730
Preoperative versus 1 week	Group I	30	1.533	0.629	0.001*
	Group II	30	1.833	0.747
	Group III	30	2.300	0.877
Preoperative versus 2 weeks	Group I	30	2.300	0.750	0.004*
	Group II	30	2.500	0.938
	Group III	30	3.033	0.850
Preoperative versus 4 weeks	Group I	30	2.533	0.730	<0.001*
	Group II	30	2.767	0.935
	Group III	30	3.733	0.907

*Statistically significant using one-way ANOVA. VAS: Visual Analog Scale, ANOVA: Analysis of variance