TABLE 2.
Diagnostic Accuracy of Clinical Examination and MRI in Intra-articular Knee Disordersa
| Sensitivity, % | Specificity, % | Positive Predictive Value, % | Negative Predictive Value, % | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Diagnosis | Clinical | MRI | P Value | Clinical | MRI | P Value | Clinical | MRI | Clinical | MRI |
| ACL tear | 81.3 | 75.0 | .55 | 90.6 | 94.1 | .39 | 49.0 | 58.6 | 97.8 | 97.1 |
| Medial meniscus tear | 62.1 | 79.3 | .15 | 80.7 | 92.0 | .03b | 14.5 | 34.3 | 97.6 | 98.8 |
| Lateral meniscus tear | 50.0 | 66.7 | .24 | 89.2 | 82.8 | .21 | 34.0 | 30.1 | 94.1 | 95.7 |
aAdapted from Kocher et al.65 Clinical examination included patient history, physical examination, and radiographs performed by a pediatric orthopaedic sports medicine specialist or a postresidency pediatric sports medicine fellow. ACL, anterior cruciate ligament; MRI, magnetic resonance imaging.
bP < .05.