Table 1.
Clinical characteristics of the study population according to TyG index
| 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 |
Data are the mean ± SD, number (percentage), or median (interquartile range)
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