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Table 5 Showing diffusion (C) cut off, sensitivity, specificity, AUC, and p value between each grade

From: Advanced trends in magnetic resonance imaging in assessment of lumbar intervertebral degenerative disk disease

Diffusion (Central) AUC P 95% C.I Cut off Sensitivity Specificity PPV NPV
I:II 0.502 0.568 0.270–0.632 > 1.97 27.78 88.24 83.3 36.6
II:III 0.549 0.457 0.417–0.681 ≤ 2.01 97.67 27.78 56.8 80.0
III:IV 0.730 < 0.001* 0.618–0.841 ≤ 1.55 65.12 79.07 75.7 69.4
IV:V 0.560 0.540 0.335–0.785 ≤ 1.33 45.45 83.72 41.7 85.7
  1. AUC area under a curve, p value probability value, CI confidence interval, NPV negative predictive value, PPV positive predictive value
  2. *Statistically significant at p ≤ 0.05