Association of baseline log-transformed biomarkers with cartilage loss over 3 years using logistic regression analysis.
↵† Effect is equivalent to 1 SD of the explanatory variable.
↵* Adjusted for age, sex, and body mass index.
↵** Adjusted for age, sex, body mass index, and radiographic osteoarthritis. IB-C2C-HUSA: C2C human urine sandwich assay; sC2C: serum C2C assay; uC2C: urine C2C assay.