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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