Table 2.

Comparison of mean baseline measurements across the four subgroups allocated to different treatments.

Variable	Treatment modality				Kruskal–Wallis test
	1	2	3	4	H	df	p
VAS	7.10 (M) (1.18) (SD)	7.09 (M) (0.85) (SD)	7.10 (M) (1.01) (SD)	6.00 (M) (1.44) (SD)	11.995	3	0.007

Source: own study. VAS—visual-analogue scale for rating pain.