Table 3

Areas under the (ROC) curve and optimal cut off points

Area under the curve95% CIOptimal cut off point
Harris Hip Score0.920.85 to 1.004
SF-36 bodily pain0.660.53 to 0.775
SF-36 physical functioning0.660.53 to 0.783
Walking speed0.710.58 to 0.831.5
Pain during walking0.730.62 to 0.86−3.5