Efficacy of Myofascial Trigger Point Dry Needling in the Prevention of Pain after Total Knee Arthroplasty: A Randomized, Double-Blinded, Placebo-Controlled Trial

Table 7

WOMAC.

	Baseline	At 1 month	At 3 months	At 6 months
WOMAC pain (0–20)
T	8.10 (2.44)	5.36 (3.85)	4.50 (3.39)	3.24 (3.03)
S	7.90 (3.59)	4.43 (2.99)	3.26 (2.25)	3.13 (2.72)
WOMAC stiffness (0–8)
T	4.05 (1.61)	2.26 (1.40)	1.94 (1.69)	1.76 (1.52)
S	3.15 (2.16)	2.17 (1.50)	1.87 (1.78)	1.67 (1.59)
WOMAC function (0–68)
T	28.48 (8.54)	16.94 (10.68)	13.82 (11.48)	9.70 (7.36)
S	27.58 (13.50)	12.92 (8.29)	10.64 (10.42)	10.53 (11.52)

Values are reported as mean (standard deviation). P value obtained using Pearson’s chi-square test.