| 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††|