From: Associations between proinflammatory cytokines in the synovial fluid and radiographic grading and pain-related scores in 47 consecutive patients with osteoarthritis of the knee
TNFα
IL-6
r
p
Total
0.69
0.0023
-0.18
0.09
Pain
0.57
0.0069
-0.23
0.31
Stiffness
0.56
0.0054
-0.48
0.039
Physical function
0.64
0.0038
-0.16
0.89