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Table 4 Subgroup analyses of the association between TyG index and baPWV

From: The correlation of atherosclerosis and triglyceride glucose index: a secondary analysis of a national cross-sectional study of Japanese

Subgroup N N (%) adj OR (95%CI) p value p for interaction
Sex
Male 592 278 (47) 1.71 (1.14–2.57) 0.009 0.891
Female 320 127 (39.7) 0.98 (0.54–1.78) 0.958  
Age (years)
 < 55 552 173 (31.3) 1.38 (0.88–2.16) 0.165 0.719
 ≥ 55 360 232 (64.4) 2 (1.11–3.63) 0.022  
BMI (kg/m2)
 < 25 690 301 (43.6) 1.39 (0.95–2.03) 0.094 0.952
 ≥ 25 222 104 (46.8) 1.94 (0.95–3.93) 0.067  
Current smoker (n%)
None or past 715 322 (45) 1.58 (1.07–2.31) 0.02 0.219
Current 197 83 (42.1) 1.07 (0.55–2.09) 0.834  
Alcohol group (n%)
0–40 g/week 594 253 (42.6) 1.38 (0.88–2.17) 0.159 0.162
40–140 g/week 150 63 (42) 1.15 (0.48–2.77) 0.76  
140–280 g/week 88 44 (50) 5.62 (1.41–22.51) 0.015  
 > 280 g/week 80 45 (56.2) 1.27 (0.47–3.41) 0.641  
Regular exercise (n%)
 < 1/week 735 325 (44.2) 1.25 (0.87–1.79) 0.23 0.923
 ≥ 1/week 177 80 (45.2) 3.28 (1.28–8.39) 0.013  
Fatty liver (n%)
None 647 257 (39.7) 1.37 (0.92–2.05) 0.12 0.569
Moderate or severe 265 148 (55.8) 1.43 (0.77–2.64) 0.257  
Menopausal state (n%)
Menopausal 138 26 (18.8) 0.97 (0.29–3.24) 0.958 0.554
Postmenopausal 182 101 (55.5) 1.03 (0.46–2.3) 0.951  
LDL-C (mg/dL)
 < 120.1 374 156 (41.7) 1.31 (0.8–2.15) 0.279 0.355
 ≥ 120.1 538 249 (46.3) 1.29 (0.81–2.08) 0.286  
eGFR (mL/min/1.73 m2)
 < 60 172 99 (57.6) 1.59 (0.78–3.23) 0.202 0.531
 ≥ 60 740 306 (41.4) 1.27 (0.87–1.85) 0.219  
  1. BMI, Body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; FPG, fasting plasma glucose; AST, aspartate aminotransferase; ALT, alanine aminotransferase; γGTP, gamma-glutamyl transferase; TC, total cholesterol; TG, triglyceride; TyG index, triglyceride glucose index; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; eGFR, estimated glomerular filtration rate; ABI, ankle-brachial index; baPWV, brachial to ankle pulse wave velocity; CI, confidence interval. (*p < 0.05; **p < 0.01; ***p < 0.001)