Table 1. Intergroup and intragroup comparison of VAS.

VAS: Visual analog scale; DN: Dry needling; TENS: Transcutaneous electrical nerve stimulation; SD: standard deviation. P<0.05 is significant.

VAS	DN		TENS		Mann-Whitney U Test
	Mean	SD	Mean	SD	z-value	p-value
Pre-Procedure	8.32	.48	8.20	.41	-0.958	0.338
14th day	4.12	1.51	6.56	.51	-5.447	<0.001
28th day	1.68	1.86	4.20	.50	-4.397	<0.001