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
\