Table 4.

Pain scores of the intervention and control groups.

	Intervention group (n = 44)				Control group (n = 38)				Group difference
	Baseline	Postintervention	Za	P valuea	Baseline	Postintervention	Za	P valuea	Baseline		Postintervention
	Mean ± SD	Mean ± SD			Mean ± SD	Mean ± SD			Ub	P valueb	Ub	P valueb
Pain score	4.75 ± 2.32	4.66 ± 2.56	0.22	0.830	5.24 ± 2.14	4.79 ± 2.19	1.16	0.247	721	0.274	789	0.654

^aThe Wilcoxon signed ranks test was used to compare the baseline data to the postintervention data of the control and intervention groups.

^bThe Mann-Whitney U Test was used to compare the control and intervention groups.

*A P value of <0.05 was considered statistically significant.