Skip to main content

Table 5 Performance of the tests for diagnosis/exclusion of NAFLD by different subgroups

From: The triglyceride glucose-body mass index: a non-invasive index that identifies non-alcoholic fatty liver disease in the general Japanese population

Development group

AUROC (95% CI)

Cutoff

SE (%)

SP (%)

PPV (%)

NPV (%)

PLR

NLR

Sex

 Male

0.84 (0.83–0.86)

182.2

91.1

55.4

43.9

94.2

2.04

0.16

224.0

39.3

94.6

73.5

80.3

7.25

0.64

 Female

0.92 (0.92–0.93)

182.2

82.2

84.6

28.9

98.4

5.32

0.21

224.0

32.8

98.3

59.3

95.3

18.79

0.68

Age (years)

  < 30

0.97 (0.94–0.99)

182.2

92.3

88.1

33.3

99.4

7.77

0.087

224.0

53.8

99.0

77.8

97.1

54.38

0.49

 30–40

0.91 (0.90–0.93)

182.2

90.9

75.9

42.2

97.7

3.77

0.12

224.0

44.1

97.0

74.2

90.0

14.83

0.58

 40–50

0.88 (0.87–0.90)

182.2

89.8

70.1

42.1

96.8

3.10

0.14

224.0

38.8

96.2

70.1

87.1

10.34

0.64

 50–60

0.85 (0.83–0.87)

182.2

87.2

63.4

38.5

95.0

2.38

0.20

224.0

30.3

95.8

65.5

83.9

7.23

0.73

  > 60

0.82 (0.76–0.89)

182.2

86.0

57.9

27.4

95.7

2.04

0.24

224.0

28.0

86.6

66.7

88.0

10.07

0.76

  1. PPV positive predictive value, SP specificity, NPV negative predictive value, SE sensitivity, PLR positive likelihood ratio, NLR negative likelihood ratio, AUROC area under the receiver-operating characteristic curve