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Table 5 Diagnostic characteristics of retinoic acid and NAFLD score in differentiating group 1 from group 3

From: Comparison between NAFLD fibrosis score and retinoic acid serum level in NAFLD

Characters

Value

95% CI

Retinoic acid ≤ 120.0

Sensitivity

80.0%

64.4–90.9%

Specificity

76.3%

69.2–100.0%

Diagnostic accuracy (DA)

84.0%

70.9–92.8%

Positive predictive value (PPV)

74.2%

89.1–100.0%

Negative predictive value (NPV)

55.6%

30.8–78.5%

Positive likelihood ratio (LR+)

> 100.0

> 100.0–> 100.0

Negative likelihood ratio (LR−)

0.20

0.11–0.37

NAFLD score ≥− 3.25

Sensitivity

85.0%

70.2–94.3%

Specificity

60.0%

26.2–87.8%

Diagnostic accuracy (DA)

80.0%

66.3–90.0%

Positive predictive value (PPV)

89.5%

75.2–97.1%

Negative predictive value (NPV)

50.0%

21.1–78.9%

Positive likelihood ratio (LR+)

2.13

0.98–4.59

Negative likelihood ratio (LR−)

0.25

0.10–0.61

  1. CI confidence interval, Group 1 simple steatosis and normal ALT, Group 2 NASH and high ALT, Group 3 control group