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Table1 Demographic and clinical characteristics of participants by the presence of CHD

From: TyG index is positively associated with risk of CHD and coronary atherosclerosis severity among NAFLD patients

  CHD + NAFLD (n = 255) NAFLD (n = 169) t/χ2/Z P
Gender (male) 178 (69.8) 88 (52.1) 13.671  < 0.001
Age (years) 58.5 ± 10.8 55.0 ± 9.9 3.381 0.001
BMI (kg/m2 26.3 ± 3.0 26.2 ± 2.9 0.507 0.612
Smoke [(n%)] 135 (52.9) 52 (30.8) 20.268  < 0.001
HT [(n%)] 173 (67.8) 80 (47.3) 17.760  < 0.001
DM [(n%)] 100 (39.2) 24 (14.2) 30.735  < 0.001
SBP (mmHg) 133.6 ± 19.4 131.9 ± 17.1 0.904 0.367
DBP (mmHg) 81.4 ± 13.0 80.4 ± 11.9 0.779 0.436
ALT (U/L) 26.3 (18.6–35.4) 22.3 (16.2–31.9) − 2.425 0.015
AST (U/L) 23.8 (19.1–29.7) 21.7 (18.3–25.5) − 2.585 0.010
Scr (mmol/L) 67.3 ± 13.7 64.5 ± 11.6 2.177 0.030
TC (mmol/L) 4.47 ± 1.11 4.37 ± 0.98 0.914 0.361
TG (mmol/L) 1.81 (1.33–2.60) 1.62 (1.20–2.21) − 3.040 0.002
HDL-C (mmol/L) 1.08 ± 0.25 1.18 ± 0.27 − 3.987  < 0.001
LDL-C (mmol/L) 2.53 ± 0.72 2.29 ± 0.70 3.521  < 0.001
FGB (mmol/L) 5.86 (4.99–7.37) 5.29 (4.91–5.83) − 4.828  < 0.001
TyG 9.10 (8.76–9.53) 8.86 (8.53–9.17) − 5.263  < 0.001
TyG-BMI 239.6 (219.0–261.7) 228.3 (215.6–246.8) − 3.169 0.002
  1. Data are shown as means ± SD or median (quartile). Normal values were compared using paired and unpaired Student’s t-tests, and non-normally distributed values were compared using Wilcoxon rank-sum or Mann–Whitney tests. Chi-square test was used to classification variables
  2. BMI body mass index, HT hypertension, DM diabetes mellitus, SBP systolic blood pressure, DBP diastolic blood pressure, ALT alanine aminotransferase, AST aspartate aminotransferase, Scr serum creatinine, TC total cholesterol, TG triglycerides, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, FGB fasting plasma glucose, TyG triglyceride-glucose index, TyG-BMI TyG index with body mass index