Fig. 4From: Predictors of cartilage degeneration in patients with subchondral insufficiency fracture of the femoral head: a retrospective studyAssociation with the changes in joint space width. Scatter plot of changes in joint space width versus a length of band pattern, b type 1 procollagen-N-propeptide, and c tartrate-resistant acid phosphatase 5b. P1NP, type 1 procollagen-N-propeptide; TRACP 5b, tartrate-resistant acid phosphatase 5bBack to article page