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Table 1 Socio-demographic, anthropometric, clinical and food consumption characteristics of patients in secondary care for cardiovascular diseases according to TyG index tertiles

From: Triglyceride-glucose index is associated with symptomatic coronary artery disease in patients in secondary care

Variables TyG index tertiles P-value
1 (lowest) (n = 777) T2 (n = 777) 3 (highest) (n = 776)
TyG index 8.3 ± 0.3a 8.9 ± 0.1b 9.7 ± 0.5c < 0.001
Male, sex [%] 468 [34.5] 424 [31.2] 466 [34.3] 0.942
Age (years) 63.7 ± 8.8a 63.4 ± 8.8a 62.4 ± 9.2b 0.008
BMI (kg/m2) 27.5 ± 4.6a 29.4 ± 5.0b 30.3 ± 4.9c < 0.001
Waist circumference (cm) 95.9 ± 11.9a 100.2 ± 11.9b 103.2 ± 11.6c < 0.001
Waist-to-height ratio 0.6 ± 0.1a 0.6 ± 0.1b 0.6 ± 0.1c < 0.001
VAI 1.4 ± 0.7a 2.5 ± 0.9b 5.1 ± 4.3c < 0.001
SBP (mmHg) 129.0 ± 19.7a 131.8 ± 19.4b 131.4 ± 19.4b < 0.010
DBP (mmHg) 77.9 ± 12.5a 79.5 ± 12.4b 80.4 ± 12.6b < 0.001
Total cholesterol (mg/dl) 155.1 ± 39.0a 170.3 ± 43.3b 185.3 ± 49.4c < 0.001
HDL-C (mg/dl) 47.2 ± 14.3a 43.0 ± 11.3b 39.9 ± 9.8c < 0.001
LDL-C (mg/dl) 89.3 ± 33.8a 98.6 ± 38.8b 97.5 ± 42.5b < 0.001
LDL-C/HDL-C ratio 2.0 ± 0.9a 2.4 ± 0.9b 2.6 ± 1.2b < 0.001
Triglycerides (mg/dl) 89.9 ± 21.7a 145.0 ± 32.2b 258.2 ± 154.2c < 0.001
Glycemia (mg/dl) 95.8 ± 15.6a 108.0 ± 24.5b 151.7 ± 67.6c < 0.001
Smoking [%] 475 [33.2] 453 [31.7] 501 [35.1] 0.146
Sedentary [%] 479 [32.2]a 493 [33.1]a 516 [34.7]b 0.010
Dyslipidemic [%] 571 [31.4]a 589 [32.3]a 661 [36.3]b < 0.001
Diabetics [%] 231 [22.5]a 291 [28.4]b 504 [49.1]c < 0.001
Hypertensive [%] 676 [32.1]a 709 [33.7]b 719 [34.2]b < 0.001
Use of hypoglycemic agents [%] 205 [21.3]a 280 [29.1]b 476 [49.5]c < 0.001
Use of lipid-lowing agents [%] 660 [32.9] 679 [33.8] 669 [33.3] 0.468
Family history of CAD [%] 489 [62.9] 510 [65.8] 517 [67.1] 0.089
Calories (Kcal) 1437.5 ± 526.0 1401.2 ± 497.1 1429.3 ± 566.4 0.551
Carbohydrates (g) 189.1 ± 39.1a 188.5 ± 35.6a 183.8 ± 39.1b 0.033
Proteins (g) 70.5 ± 22.6 69.60 ± 20.6 71.5 ± 22.5 0.329
Lipids (g) 43.6 ± 12.9a 44.7 ± 11.9ab 45.7 ± 12.8b 0.002
  1. Data are mean ± SD (standard deviation) or number [%]. P-values based in Kruskal–Wallis and Mann–Whitney U for quantitative variables and Chi square of linear trend for categorical variables
  2. Different letters show presence of difference and equal letters show the absence of differences
  3. Italic values show the presence of statistic significance
  4. DAP diastolic blood pressure, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein, TyG index triglyceride-glucose index, SBP systolic blood pressure, VAI visceral adiposity index