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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