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Table 4 Comparison based on diagnosis for question: on a scale of 0–10 with 0 being no pain and 10 being the worst pain imaginable, how would you rate your average daily pain due to your joint condition?

From: Cannabidiol as a treatment for arthritis and joint pain: an exploratory cross-sectional study

  Total
(N=428)
Osteoarthritis (N=205) Other autoimmune arthritis (N=83) Rheumatoid arthritis (N=143)  
  Mean ± SD Mean ± SD Mean ± SD Mean ± SD P-value
Prior to CBD use? 5.71 ± 1.84 6.2 ± 1.8 5.2 ± 1.9 5.3 ± 1.7 P<0.001*
After CBD use? 3.14 ± 1.97 3.1 ± 2.0 3.0 ± 2.0 3.2 ± 1.9 P=0.495
Reduction in pain (%) 44 ± 32 48 ± 31 38 ± 37 41 ± 30 P=0.020*
Absolute score reduction 2.58 ± 2.07 3.09 ± 2.27 2.13 ± 2.10 2.10 ± 1.51 P<0.001*
  1. Comparative statistics performed with Kruskal-Wallis based on diagnosis type
  2. SD standard deviation, % percentage
  3. *Significance determined as P<0.05