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Table 2 Base-line characteristics of patients evaluated at the end of the run-in period.

From: Electroacupuncture versus Diclofenac in symptomatic treatment of Osteoarthritis of the knee: a randomized controlled trial

  Treatment groups  
Characteristic Placebo Diclofenac EA Combined p-value **
n (M:F) 47 (12:35) 49 (11:38) 48 (10:38) 49 (10:39) 0.93c
Age (yr)* 62.70 (7.22) 62.14 (7.53) 65.10 (3.40) 61.84 (8.95) 0.16a
Body weight (kg)* 60.65 (10.24) 57.65 (10.64) 59.89 (9.74) 59.92 (9.66) 0.49a
Height (cm)* 153.94 (6.45) 151.94 (10.71) 152.19 (5.89) 153.32 (6.73) 0.54a
Duration of OA (yr)* 4.98 (3.32) 3.94 (2.83) 6.09 (4.96) 4.53 (3.86) 0.05a
Localization of OA      0.40c
Right/Left knee 2/3 2/6 1/4 3/5  
Both knees 42 41 43 41  
Number of paracetamol tablets taken per week* 22.06 (13.75) 18.94 (14.68) 21.40 (14.97) 19.04 (14.87) 0.63a
50 ft-walk time (sec)* 22.04 (4.81) 22.36 (6.00) 24.54 (8.14) 22.77 (5.13) 0.21a
VAS* 63.49 (22.36) 64.79 (23.41) 66.87 (22.34) 57.63 (21.21) 0.21a
WOMAC*      
   Pain index 10.19 (4.20) 11.02 (4.15) 10.25 (3.86) 10.50 (4.18) 0.75a
   Stiffness index 4.51 (1.71) 4.08 (1.95) 4.35 (2.10) 4.27 (1.57) 0.72a
   Disability index 37.04 (12.00) 35.65 (12.89) 38.00 (13.18) 37.94 (13.02) 0.79a
   Total score 51.75 (15.96) 50.76 (17.98) 52.60 (18.13) 52.71 (17.65) 0.94a
Lequesne's functional index* 13.78 (3.78) 13.85 (3.22) 14.14 (2.98) 13.73 (2.92) 0.93a
  1. *Data represent mean (SD) **Statistic analysis: a = one-way ANOVA, c = chi-square test.