Efficacy of Myofascial Trigger Point Dry Needling in the Prevention of Pain after Total Knee Arthroplasty: A Randomized, Double-Blinded, Placebo-Controlled Trial
Table 3
Initial and subsequent VAS values.
VAS
Baseline
At 1 month
At 3 months
At 6 months
T group
Mean
56.75
23.80
20.61
23.51
(SD)
(22.31)
(24.86)
(21.49)
(22.50)
20
20
18
17
S group
Mean
50.37
32.30
25.31
20.86
(SD)
(16.76)
(25.72)
(20.03)
(18.58)
19
18
16
14
P value
0.320
0.294
0.516
0.725
(SD: standard deviation). P value obtained using Student’s t-test.