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Table 3 Results of the data analysis: Accuracy, sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), positive likelihood ratio (LR+), negative likelihood ratio (LR-) and area under the ROC curve (AUC) of magnetic resonance imaging to evaluate lesions of the medial meniscus, lateral, meniscus, anterior cruciate ligament, posterior cruciate ligament, and articular cartilage.

From: MRI efficacy in diagnosing internal lesions of the knee: a retrospective analysis

  Medial meniscus tears Lateral meniscus tears ACL injuries PCL injuries Chondral injuries
Accuracy 81% 77% 86% 98% 60%
Sensitivity (95% CI) 83% (63 – 93) 62% (30 – 81) 83% (60 – 94) 100% (31 – 100) 42% (21 – 66)
Specificity (95% CI) 69% (41 – 88) 88% (68 – 97) 89% (70 – 97) 98% (80 – 97) 73% (52 – 88)
PPV 83% 81% 90% 75% 53%
NPV 69% 74% 86% 100% 63%
LR+ 2.64 5.36 7.43 45 1.56
LR- 0.25 0.43 0.19 0 0.79
AUC 0.75 0.752 0.86 0.98 0.57