Fig. 3From: Predictors of cartilage degeneration in patients with subchondral insufficiency fracture of the femoral head: a retrospective studyComparisons of joint space width. Mean joint space width and change in joint space width from the first visit to the final follow-up in the ipsilateral and contralateral sides. Ipsi, ipsilateral; Contra, contralateral; JSW, joint space width. Asterisks indicate P < 0.05Back to article page