Comparison of Dry Needling versus Orthopedic Manual Therapy in Patients with Myofascial Chronic Neck Pain: A Single-Blind, Randomized Pilot Study

Table 6

Nonparametric tests of outcome data of cervical ROM (side-bending and rotation).

Variable	Groups	Median (interquartile range) Range of motion (ROM)				Friedman; ANOVA	Wilcoxon; (a) Base versus post 1; (b) Base versus post 2; (c) Base versus follow-up
		Baseline	Post; 1	Post; 2	Follow-; up
Side-bending	DN-S	66.2 (50–71.9)	62.2 (60–75.6)	70 (62.9–78.7)	70 (63.7–78.7)	0.005	(a) 0.858; (b) 0.028; (c) 0.014
	STT	75 (61.2–81.9)	72 (68.1–77.5)	80.5 (70–95.6)	70.5 (68.9–80.6)	0.062	(a) 0.724; (b) 0.008; (c) 0.637
	OMT	80.2 (60.1–80.5)	70 (70–72.5)	80.5 (70–86)	80 (70–95)	0.019	(a) 0.345; (b) 0.454; (c) 0.062
	K-W	0.318	0.238	0.270	0.182
	Mann-Whitney test
	1 versus 2; 1 versus 3; 2 versus 3	0.154; 0.257; 0.543	0.098; 0.268; 0.597	0.104; 0.324; 0.602	0.663; 0.092; 0.154
Rotation	DN-S	105 (88.1–116.9)	107.7 (92.5–122.5)	110.2 (89.9–129.4)	117.5 (96.2–131.9)	0.043	(a) 0.420; (b) 0.033; (c) 0.059
	STT	110 (102.5–123)	113.7 (106.2–120)	120 (110–129.6)	100 (87.5–120)	0.290	(a) 0.919; (b) 0.054; (c) 0.455
	OMT	110 (110–116.9)	120 (106.2–120)	129.5 (124–139.4)	120.7 (99.5–133.7)	0.000	(a) 0.279; (b) 0.002; (c) 0.033
	K-W
	Mann-Whitney test	0.586	0.605	0.092	0.191
	1 versus 2; 1 versus 3; 2 versus 3	0.295; 0.598; 0.653	0.418; 0.447; 0.514	0.325; 0.040; 0.164	0.236; 0.664; 0.068

DN-S = dry needling + stretching, STT = soft tissue techniques, and OMT = orthopedic manual therapy.
K-W = Kruskal-Wallis test.