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Table 3 Positive MRI findings after ACL reconstruction to evaluate the stability of knee joint after operation

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

Statistical evaluation
MRI findings Sensitivity (%) Specificity (%) consistency rate (%) Positive predictive value Negative predictive value Kappa P
Position of tibial tunnel entrance 60.00 (6/10) 88.33 (53/60) 84.29 (59/70) 46.15 (6/13) 92.98 (53/57) 0.430 0.000
Percentage of the position of tibial tunnel entrance 30.00 (6/20) 86.00 (43/50) 70.00 (49/70) 46.15 (6/13) 75.44 (43/57) 0.179 0.020
Position of tibial tunnel exit 27.03 (10/37) 90.91 (30/33) 57.14 (40/70) 76.92 (10/13) 52.63 (30/57) 0.173 0.044
Lateral tibial posterior slope (LTPS) 58.33 (7/12) 89.66 (52/58) 84.29 (59/70) 53.85 (7/13) 91.23 (52/57) 0.465 0.000
Width of intercondylar notch 33.33 (9/27) 90.70 (39/43) 68.57 (48/70) 69.23 (9/13) 68.42 (39/57) 0.266 0.012