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Table 6 Diagnostic values of the cut-off points for different prevalences of NALFD

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

Prevalence of NAFLD (%)

Lower Cutoff Value (< 182.2)

Higher Cutoff Value (> 224.0)

PPV (95% CI)

NPV (95% CI)

PPV (95% CI)

NPV (95% CI)

5

26.1 (21.1–31.8)

98.3 (97.6–98.9)

37.1 (27.9–47.2)

96.7 (95.8–97.4)

10

42.7 (35.2–50.6)

96.5 (95.0–97.6)

55.5 (43.0–67.2)

93.4 (91.5–94.8)

15

54.2 (45.3–62.9)

94.6 (92.2–96.3)

66.4 (52.6–78.0)

89.8 (87.1–92.1)

20

62.6 (53.0–71.4)

92.5 (89.3–94.9)

73.7 (59.3–84.5)

86.2 (82.6–89.2)

25

69.1 (59.1–77.6)

90.3 (86.2–93.3)

77.9 (63.4–88.0)

82.4 (77.9–86.1)

30

74.2 (64.1–82.3)

87.8 (82.8–91.6)

82.8 (68.2–91.8)

78.5 (73.2–83.0)

35

78.3 (68.2–86.0)

85.2 (79.2–89.7)

86.1 (71.7–94.2)

74.3 (68.3–79.6)

40

81.7 (71.7–88.9)

82.3 (75.3–87.6)

88.2 (73.9–95.5)

70.1 (63.2–76.1)

45

84.6 (74.7–91.2)

79.1 (71.2–85.3)

90.2 (76.1–96.7)

65.6 (58.1–72.4)

50

87.0 (77.3–93.1)

75.6 (66.7–82.8)

91.8 (78.0–97.6)

60.1 (52.9–68.5)

  1. PPV positive predictive value, NPV negative predictive value