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

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

	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

ISSN: 1471-2474