Table 1. Comparison of VAS between the groups (mean ± SD).

	Experimental group (n=15)	Control group (n=15)
Pre-test	6.12 ± 1.56	6.04 ± 1.87
Post-test	4.31 ± 1.25*	4.85 ± 1.32*

*p<0.05, Unit=Score, *: within group, ^#: between group.