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Table 6 Diagnostic characteristics of retinoic acid and NAFLD score in differentiating group 1 from group 2

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

Characters

Value

95% CI

Retinoic acid ≤ 87.0

Sensitivity

82.5%

67.2–92.7%

Specificity

77.5%

61.5–89.2%

Diagnostic accuracy (DA)

80.0%

69.6–88.1%

Positive predictive value (PPV)

78.6%

63.2–89.7%

Negative predictive value (NPV)

81.6%

65.7–92.3%

Positive likelihood ratio (LR+)

3.67

2.03–6.63

Negative likelihood ratio (LR−)

0.23

0.11–0.45

NAFLD score ≥− 0.10

Sensitivity

80.0%

64.4–90.9%

Specificity

97.5%

86.8–99.9%

Diagnostic accuracy (DA)

88.8%

79.7–94.7%

Positive predictive value (PPV)

97.0%

84.2–99.9%

Negative predictive value (NPV)

83.0%

69.2–92.4%

Positive likelihood ratio (LR+)

32.00

4.59–223.01

Negative likelihood ratio (LR−)

0.21

0.11–0.38

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