Table 4.

Comparison of sensitivity, specificity, positive predictive value, negative predictive value and accuracy (with confidence intervals) of the three views in comparison to the axial oblique MRI values

View	AP	Cross table	Dunn
Sensitivity	0.60 (0.44–0.75)	0.74 (0.59–0.86)	0.91 (0.78–0.97)
Specificity	0.81 (0.58–0.95)	0.63 (0.38–0.84)	0.88 (0.68–0.97)
PPV	0.60 (0.69–0.96)	0.82 (0.66–0.92)	0.93 (0.80–0.98)
NPV	0.50 (0.32–0.68)	0.52 (0.31–0.73)	0.84 (0.64–0.95)
Accuracy	0.67 (0.54–0.78)	0.71 (0.58–0.82)	0.90 (0.80–0.96)