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Table 5 Overall opinions of change and number of responders evaluated at week 4.

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-value
Orthopedist's overall opinion*      0.01
   Much better 6 18 21 16  
   Better 22 21 20 23  
   Same 16 10 5 7  
   Worse 1 0 0 0  
Patient's overall opinion*      0.09
   Much better 19 25 31 22  
   Better 16 17 11 23  
   Same 9 7 4 1  
   Worse 1 0 0 0  
Number of responders 13 18 27 24 0.02††
  1. *Data represent number of patients, = chi-square test evaluated on the proportions of patients with the opinion of "much better", †† = chi-square test.