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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