Effectiveness of Hydrogalvanic Bath on Improving Pain, Disability, and Quality of Life in Individuals with Chronic Nonspecific Neck Pain: A Randomized Controlled Trial

Table 2

Comparison of outcome measures differences pretreatment versus posttreatment for both experimental and control groups.

Group	Outcome measures	Pre		Post		value
		Mean	SD	Mean	SD
Experimental	SF-36	37.71	3.80	47.47	5.48	<0.001
	NDI	28.29	2.71	19.18	4.33	<0.001
	VAS	6.53	1.23	2.24	1.48	<0.001
Control	SF-36	40.47	5.72	40.77	5.70	0.025
	NDI	30.59	7.00	29.12	6.90	<0.001
	VAS	6.41	1.37	4.77	1.25	<0.001