Table 3

Results of multiple linear regression analyses of radiographic joint space narrowing and other variables

CrudeAge and body mass index adjusted
Regression coefficient (95% CI)p ValueRegression coefficient (95% CI)p Value
*Logarithmically transformed values.
Age0.109 (−0.067 to 0.284)0.238
Body mass index0.260 (0.084 to 0.419)0.005
Minimal joint space width−0.107 (−0.278 to 0.072)0.265−0.084 (−0.228 to 0.114)0.372
Synovial fluid volume*0.005 (−0.171 to 0.180)0.9640.004 (−0.172 to 0.180)0.972
PIICP*0.440 (0.282 to 0.575)<0.0010.395 (0.231 to 0.529)<0.001