Effect of Electroacupuncture versus Sham Electroacupuncture in Patients with Knee Osteoarthritis: A Pilot Randomized Controlled Trial
Table 4
Mean (SD) comparison of variables in the two groups (intention-to-treat).
Electroacupuncture (n = 15)
Sham electroacupuncture (n = 15)
Preintervention
Postintervention
Preintervention
Postintervention
TUG, s
13.8 (4.0)
11.4 (3.5)
0.001
12.9 (4.8)
11.6 (3.9)
0.020
AROM, °
116.8 (13.3)
121.2 (13.6)
0.024
115.4 (14.2)
114.7 (16.1)
0.600
PROM, °
124.9 (13.6)
132.4 (9.3)
0.029
124.2 (14.6)
122.6 (16.9)
0.285
Quadriceps muscle strength score
9.9 (1.2)
10.6 (1.1)
0.012
10.4 (1.5)
10.7 (1.5)
0.484
Hamstring muscle strength score
8.7 (0.9)
9.0 (1.3)
0.238
9.0 (1.2)
9.1 (1.4)
0.582
Lequesne index score
10.6 (3.2)
7.0 (3.9)
≤0.001
10.7 (3.7)
8.4 (4.5)
0.007
9-SCT, s
21.3 (12.0)
18.0 (8.6)
0.001
18.7 (11.6)
18.8 (12.0)
0.883
TUG: Timed Up and Go Test; AROM: active maximum flexion knee range of motion; PROM: passive maximum flexion knee range of motion; 9-SCT: 9-step stair-climb test. Postintervention: at week eight. Significant .
