Table 6

Number of responders considered at the end of the study (week 4) and at 1 and 2 month(s) after treatment^*.

1 month after treatment

2 months after treatment

Treatment groups

responders at week 4

remaining responders/ evaluated responders^†

remaining responders/ evaluated responders^†

Placebo

13

11/12

9/12

Diclofenac

18

10/16

7/15

EA

27

21/25

19/24

Combined

24

14/24

14/24

p value^**

0.12

0.19

^* Only the responders at the end of the study were followed up for 2 months. ^†Some patients were unable to be evaluated due to loss of follow up or use of NSAIDs for other purposes during the follow-up period. ^** Fisher test between the four groups.

Sangdee et al. BMC Complementary and Alternative Medicine 2002 2:3   doi:10.1186/1472-6882-2-3