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Table 1 Clinical characteristics of the study population according to TyG index

From: Association between triglyceride glucose index and arterial stiffness in Korean adults

  Q1 (lowest) Q2 Q3 Q4 (highest) P value
N 897 896 898 896  
Age (years) 49.91 ± 9.83 52.88 ± 8.99 53.30 ± 8.77 52.03 ± 8.68 < 0.01
Sex (M/F) 286/611 433/463 601/297 741/155 < 0.01
SBP (mmHg) 114.60 ± 12.11 117.75 ± 11.94 120.67 ± 10.96 121.99 ± 10.61 < 0.01
DBP (mmHg) 71.42 ± 8.33 73.68 ± 8.03 75.90 ± 7.18 77.14 ± 7.23 < 0.01
BMI (kg/m2) 21.82 ± 2.65 22.99 ± 3.02 23.89 ± 2.78 25.04 ± 2.69 < 0.01
FPG (mg/dL) 85.49 ± 8.92 92.54 ± 9.97 96.87 ± 12.59 102.45 ± 18.17 < 0.01
TC (mg/dL) 183.15 ± 33.16 192.48 ± 33.16 193.78 ± 34.35 200.77 ± 35.14 < 0.01
TG (mg/dL) 55 (48–62) 79 (72–88) 111 (99–122) 180 (153–226) < 0.01
LDL-C (mg/dL) 109.47 ± 29.61 120.93 ± 30.02 123.14 ± 30.93 123.30 ± 31.76 < 0.01
HDL-C (mg/dL) 58.60 ± 12.95 53.26 ± 12.02 47.59 ± 10.88 42.10 ± 8.62 < 0.01
TyG index 7.73 ± 0.21 8.20 ± 0.11 8.57 ± 0.11 9.16 ± 0.28 < 0.01
HOMA-IR 0.60 (0.41–0.91) 0.87 (0.63–1.28) 1.04 (0.77–1.52) 1.37 (0.88–1.97) < 0.01
Smoking (%) 38 (4.2) 47 (5.2) 80 (8.9) 123 (13.7) < 0.01
Diabetes (%) 1 (0.1) 3 (0.3) 20 (2.2) 72 (8.0) < 0.01
  1. Data are the mean ± SD, number (percentage), or median (interquartile range)
  2. SBP systolic blood pressure, DBP diastolic blood pressure, BMI body mass index, FPG fasting plasma glucose, TC total cholesterol, TG triglyceride, LDL-C low-density lipoprotein cholesterol, HDL-C high-density lipoprotein cholesterol, TyG triglyceride glucose, HOMA-IR homeostasis model assessment of insulin resistance