Efficacy of Myofascial Trigger Point Dry Needling in the Prevention of Pain after Total Knee Arthroplasty: A Randomized, Double-Blinded, Placebo-Controlled Trial
Table 2
Preintervention groups characteristics (baseline).
T group (true dry needling)
S group (sham dry needling)
P value
Age (years)
71.65 (6.06)
72.90 (7.85)
0.570
Body mass index (Kg/m2)
73.57 (11.53)
75.51 (9.33)
0.580
Days hospitalization
8.11 (1.79)
7.58 (2.04)
0.403
VAS (0–100)
56.75 (22.31)
50.37 (16.76)
0.321
WOMAC pain (0–20)
8.10 (2.45)
7.90 (4.60)
0.837
WOMAC stiffness (0–8)
4.05 (1.61)
3.15 (2.16)
0.805
WOMAC function (0–68)
28.48 (8.54)
27.58 (13.50)
0.149
ROM (°)
89.35 (19.191)
93.20 (20.05)
0.539
Strength FLEX ()
20.51 (10.16)
22.00 (5.27)
0.565
Strength EXT ()
24.34 (9.83)
23.42 (7.12)
0.738
MTrPs (number)
12.75 (4.64)
11.75 (3.46)
0.445
MTrPs active (number)
5.15 (4.74)
3.00 (2.83)
0.090
Values are reported as mean (standard deviation). P value obtained using Student’s t-test.
