Skip to main content

Table 1 Baseline characteristics

From: Relationship of insulin resistance estimated by triglyceride glucose index to arterial stiffness

  Quartile of the TyG index p
I (lowest) (n = 622) II (n = 658) III (n = 640) IV (highest) (n = 640)
Age, years 59 ± 8 60 ± 8 61 ± 8 60 ± 8 < 0.001
Male, n (%) 147 (23.6) 179 (27.2) 224 (35.0) 292 (45.6) < 0.001
Systolic blood pressure, mmHg 119 ± 14 122 ± 15 124 ± 15 127 ± 15 < 0.001
Diastolic blood pressure, mmHg 71 ± 10 73 ± 9 75 ± 9 77 ± 10 < 0.001
Heart rate, bpm 65 ± 9 66 ± 8 68 ± 10 69 ± 10 < 0.001
Anti-hypertensive drugs, n (%) 195 (31.4) 278 (42.2) 295 (46.1) 326 (50.9) < 0.001
Smoking, n (%) 114 (18.3) 134 (20.4) 188 (29.4) 259 (40.5) < 0.001
BMI, kg/m2 23.8 ± 2.9 24.5 ± 2.9 25.3 ± 2.9 25.8 ± 2.9 < 0.001
Waist circumference, cm 80 ± 8 83 ± 8 85 ± 8 87 ± 9 < 0.001
Laboratory
 Total cholesterol, mg/dL 191 ± 33 198 ± 36 203 ± 37 205 ± 37 < 0.001
 Triglyceride, mg/dL 66 ± 13 99 ± 13 133 ± 21 217 ± 81 < 0.001
 HDL cholesterol, mg/dL 64 ± 15 57 ± 13 51 ± 13 45 ± 11 < 0.001
 LDL cholesterol, mg/dL 114 ± 29 122 ± 32 128 ± 34 122 ± 35 < 0.001
 Fasting glucose, mg/dL 93 ± 11 96 ± 11 101 ± 15 115 ± 31 < 0.001
 Creatinine, mg/dL 0.76 ± 0.19 0.77 ± 0.18 0.79 ± 0.18 0.82 ± 0.20 < 0.001
Metabolic syndrome, n (%) 62 (10.0) 126 (19.1) 257 (40.2) 507 (79.2) < 0.001
Diabetes mellitus, n (%) 45 (7.2) 60 (9.1) 110 (17.2) 196 (30.6) < 0.001
Anti-diabetic treatment, n (%) 41 (6.6) 56 (8.5) 96 (15.0) 154 (24.1) < 0.001
TyG index 8.7 ± 0.2 9.2 ± 0.1 9.5 ± 0.1 10.0 ± 0.3 < 0.001
  1. Values are given as the mean ± standard deviation or number (%)
  2. BMI body mass index, HDL high-density lipoprotein, LDL low-density lipoprotein, TyG triglyceride glucose