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Table 3 MRI results compared with arthroscopy—individual observers

From: Hip pathology: the diagnostic accuracy of magnetic resonance imaging

  Accuracy Sensitivity (%) Specificity (%) PPV (%) NPV (%)
Observer A B A B A B A B A B
Lig Teres 80.28 91.55 88.71 93.65 22.22 75.00 88.71 96.72 22.22 60.00
95% CI 78.11–95.34 84.53–98.24 2.81–60.01 34.91–96.81 78.11–95.34 88.55–99.61 2.81–60.01 26.24–87.84
Labrum 90.14 81.69 96.43 83.93 66.67 73.33 91.53 92.16 83.33 55.00
95% CI 87.69–99.56 71.67–92.38 38.38–88.18 44.9–92.21 81.32–97.19 81.12–97.82 51.59–97.91 31.53–76.94
Chondral rim 85.92 85.92 93.22 89.47 50.00 71.43 90.16 92.73 60.00 62.50
95% CI 83.54–98.12 78.48–96.04 21.09–78.91 41.9–91.61 79.70–96.34 82.41–97.98 26.24–87.84 34.52–85.41
  1. Abbreviations: PPV positive predictive value, NPV negative predictive value