Table 3 Diagnostic performance of UTE-T2* and T2* values in distinguishing degeneration groups

3a. Normal-The early stage

AUC (95% CI)

Sensitivity (%)

Specificity (%)

 + LR

-LR

Cutoff

AAF

UTE-T2*

0.715 (0.665–0.762)

73.0

63.0

1.97

0.43

 ≤ 21.8

T2*

0.620 (0.567–0.671)

66.1

58.9

1.61

0.58

 ≤ 20.1

NP

UTE-T2*

0.876 (0.837–0.909)

78.1

84.9

5.18

0.26

 ≤ 36.7

T2*

0.763 (0.715–0.807)

68.3

79.5

3.32

0.40

 ≤ 39.2

PAF

UTE-T2*

0.787 (0.741–0.829)

56.6

94.5

10.32

0.46

 ≤ 19.6

T2*

0.670 (0.618–0.719)

76.3

52.1

1.59

0.46

 ≤ 19.4

3b. The early stage – The advanced stage

AUC (95% CI)

Sensitivity (%)

Specificity (%)

 + LR

-LR

Cutoff

AAF

UTE-T2*

0.726 (0.671–0.776)

89.5

51.5

1.84

0.20

 ≤ 19.1

T2*

0.570 (0.511–0.627)#

36.8

87.2

2.88

0.72

 ≤ 13.6

NP

UTE-T2*

0.893 (0.851–0.926)

94.7

69.3

3.09

0.08

 ≤ 27.0

T2*

0.842 (0.795–0.882)

89.5

73.4

3.36

0.14

 ≤ 27.4

PAF

UTE-T2*

0.804 (0.754–0.848)

57.9

89.8

5.67

0.47

 ≤ 13.0

T2*

0.720 (0.665–0.771)

47.4

95.6

10.82

0.55

 ≤ 10.6