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Table 1 Baseline characteristics of the development and validation groups

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

Characteristic

Development group

Validation group

P-value

N

7118

7162

 

Age (years)

43.533 ± 8.918

43.533 ± 8.864

0.964

Alcohol consumption (g/w)

0.893

  = 0

2364 (33.212%)

2371 (33.105%

 

  > 0

4754 (66.788%)

4791 (66.895%)

 

BMI (kg/m2)

22.046 ± 3.104

22.090 ± 3.168

0.398

WC (cm)

76.199 ± 9.026

76.193 ± 9.174

0.968

ALT (U/L)

17.000 (13.000–23.000)

16.000 (12.000–23.000)

0.161

AST (U/L)

17.000 (14.000–21.000)

17.000 (14.000–21.000)

0.727

GGT (U/L)

15.000 (11.000–21.000)

15.000 (11.000–21.000)

0.830

HDL-c (mmol/L)

1.462 ± 0.405

1.455 ± 0.399

0.285

TC (mmol/L)

5.125 ± 0.867

5.123 ± 0.869

0.901

TG (mmol/L)

0.723 (0.485–1.095)

0.723 (0.485–1.106)

0.291

TyG-BMI

177.386 ± 34.108

178.093 ± 34.940

0.222

HbA1c (%)

5.176 ± 0.321

5.180 ± 0.321

0.470

FPG (mmol/L)

5.145 ± 0.414

5.152 ± 0.410

0.308

SBP (mmHg)

113.878 ± 14.774

114.043 ± 14.892

0.506

SBP (mmHg)

71.031 ± 10.376

71.251 ± 10.407

0.204

SEX, n (%)

0.604

 Female

3394 (47.682%)

3446 (48.115%)

 

 Male

3724 (52.318%)

3716 (51.885%)

 

Regular exerciser, n (%)

1239 (17.407%)

1237 (17.272%)

0.831

Smoking status, n (%)

0.934

 Never-smoker

4369 (61.380%)

4382 (61.184%)

 

 Ever-smoker

1284 (18.039%)

1288 (17.984%)

 

 Current-smoker

1465 (20.582%)

1492 (20.832%)

 
  1. Values are n (%) or mean ± SD or medians (quartiles)
  2. HDL-c high-density lipoprotein cholesterol, ALT alanine aminotransferase, FPG fasting plasma glucose, TC total cholesterol, DBP diastolic blood pressure, HbA1c hemoglobina1c, AST aspartate aminotransferase, BMI body mass index, TG triglyceride, SBP systolic blood pressure, GGT gamma glutamyltransferase, WC Waist circumference, TyG-BMI: triglyceride glucose-body mass index