Skip to main content

Table 4 The diagnostic value of TyG-BMI obtained from the development and validation group

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

 

Low cutoff point

(< 182.2)

Indeterminate

(182.2–224.0)

High cutoff point

(> 224.0)

Total

Development

 Total

4289

2143

686

7118

 Non-NAFLD

4156

1489

201

5846

 NAFLD

135

652

485

1272

 Sensitivity

89.4%

 

38.1%

 

 Specificity

71.1%

 

96.6%

 

 PPV

40.4%

 

70.7%

 

 NPV

96.9%

 

87.8%

 

 PLR

3.09

 

11.09

 

 NPR

0.15

 

0.64

 

 Interpretation

Absence of NALFD (97% certainty)

 

Presence of NAFLD (71% certainty)

 

Validation

 Total

4279

2141

742

7162

 Non-NAFLD

4148

1550

221

5919

 NAFLD

134

590

519

1243

 Sensitivity

89.2%

 

41.8%

 

 Specificity

70.1%

 

96.3%

 

 PPV

38.5%

 

70.1%

 

 NPV

96.9%

 

88.7%

 

 PLR

2.98

 

11.18

 

 NLR

0.15

 

0.61

 

 Interpretation

Absence of NALFD (97% certainty)

 

Presence of NAFLD (70% certainty)

 
  1. PPV positive predictive value, NPV negative predictive value, PLR positive likelihood ratio, NLR negative likelihood ratio, TyG-BMI triglyceride glucose-body mass index