Skip to main content

Table 4 Adjusted differences in WOMAC scores comparing acupuncture to usual care at 3 and 12 months, using a regression model with baseline WOMAC score as a covariate

From: Acupuncture for pain and osteoarthritis of the knee: a pilot study for an open parallel-arm randomised controlled trial

WOMAC Index

Month

Adjusted means

Adjusted difference

95% CI

P value

  

Acupuncture

Control

   

Pain

3

3.77

6.39

-2.62

-0.77 to -4.47

0.007

 

12

4.38

5.76

-1.38

0.8 to -3.56

0.200

Stiffness

3

2.49

2.98

-0.49

0.56 to -1.54

0.346

 

12

2.69

2.75

-0.58

1.3 to -1.4

0.930

Function

3

15.55

19.49

-3.94

3.4 to -11.3

0.281

 

12

16.81

18.18

-1.36

8.7 to -11.4

0.778

Global

3

22.27

28.43

-6.17

3.1 to -15.4

0.184

 

12

23.83

26.78

-2.94

9.5 to -15.4

0.624