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Table 5 ROC curve analysis of prediction equation, lateral tibial posterior slope (LTPS), position of tibial tunnel exit and sagittal obliquity of the graft

From: Feasibility study of early prediction of postoperative MRI findings for knee stability after anterior cruciate ligament reconstruction

  AUC Sensitivity Specificity Positive predictive value Negative predictive value Kappa P 95% confidence interval
Prediction equation 0.915 0.846 0.912 0.688 0.963 0.696  < 0.001 0.825–1.000
Position of tibial tunnel exit 0.779 0.615 0.947 0.727 0.915 0.598  < 0.001 0.623–0.935
Lateral tibial posterior slope (LTPS) 0.775 0.538 0.912 0.583 0.897 0.465 0.001 0.637–0.913
Abnormal sagittal obliquity of the graft 0.639 0.769 0.509 0.263 0.935 0.16 0.069 0.479–0.799