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Table 4 Showing T2 mapping (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

T2 Mapping(central) AUC P 95% C.I Cut off Sensitivity Specificity PPV NPV
I:II 0.549 0.092 0.368–0.730 ≤ 164 97.22 35.29 76.1 85.7
II:III 0.749 < 0.001* 0.641–0.857 ≤ 104 60.47 83.33 81.2 63.8
III:IV 0.819 < 0.001* 0.731–0.907 ≤ 93 88.37 65.12 71.7 84.8
IV:V 0.798 0.002* 0.637–0.960 > 93 63.64 88.37 58.3 90.5
  1. AUC area under a curve, p value probability value, CI confidence intervals, NPV negative predictive value, PPV positive predictive value
  2. *Statistically significant at p ≤ 0.05