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