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Egyptian Journal of Radiology and Nuclear Medicine

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
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