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Table 4 Change in outcome parameters after 4 weeks of treatment*.

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

  Treatment groups  
Parameter Placebo (n = 45) Diclofenac (n = 49) EA (n = 46) Combined (n = 46) p-valuea
Number of paracetamol taken (tablets taken per week) -5.16 (2.33) -4.43 (1.90) -7.89 (2.09) -5.13 (2.06) NS
50 feet-walk time (sec) -2.70 (0.52) -3.52 (0.46) -4.41 (0.70) -4.13 (0.54) NS
VAS -22.86 (4.02) -32.99 (3.94) -48.24 (3.59) -35.59 (2.74) <0.05
WOMAC      
   Pain index -3.31 (0.68) -4.90 (0.53) -5.65 (0.59) -6.28 (0.77) <0.05††
   Stiffness index -1.47 (0.31) -1.55 (0.27) -2.24 (0.31) -2.02 (0.28) NS
   Disability index -12.33 (1.88) -14.39 (1.77) -19.17 (2.05) -18.98 (1.92) NS
   Total score -17.11 (2.73) -20.84 (2.43) -27.07 (2.78) -27.28 (2.79) NS
Lequesne's functional index -3.82 (0.51) -4.80 (0.61) -6.44 (0.59) -5.39 (0.52) <0.05†††
  1. *Compared values of week 4 versus those of week 0 (run-in peroid), data represent mean (SEM). Statistic analysis: a = one-way ANOVA and Scheffe method. NS= no statistical significance. = EA vs placebo and diclofenac group. †† = combined vs placebo group. ††† = EA vs placebo group.