Table 4.

Evaluation of the amount of the changes of VAS scores from baseline between two groups.

	Intervention	Control	P-value
After 1 weeks, mean (SD)	2.1 (1.9)	2.4 (1.7)	0.444
After 2 weeks, mean (SD)	4 (2.4)	4.4 (1.7)	0.402
After 3 weeks, mean (SD)	4.8 (2.2)	5.3 (1.6)	0.267
After 4 weeks, mean (SD)	5.2 (2.3)	5.7 (1.6)	0.329

VAS: Visual analogue Scale, SD: Standard Deviation.