Table 2.
Baseline characteristics of population divided by TyG index-related situation.
| Characteristics | Overall (n=596) |
High TyG index (n=304) |
Low TyG index (n=292) |
P value |
|---|---|---|---|---|
| Age (years) | 71.71 ± 9.36 | 71.19 ± 9.67 | 72.26 ± 9.01 | 0.161 |
| Male, n (%) | 212(35.57%) | 101(33.22%) | 111(38.01%) | 0.222 |
| BMI (kg/m2) | 24.53 ± 3.64 | 25.30 ± 3.72 | 23.72 ± 3.37 | <0.01 |
| Smoking n (%) | 147(24.66%) | 73(25.00%) | 74(24.34%) | 0.852 |
| SBP (mmHg) | 133.56 ± 19.16 | 134.10 ± 19.13 | 133.00 ± 19.20 | 0.486 |
| DBP (mmHg) | 75.62 ± 11.21 | 75.46 ± 11.20 | 75.78 ± 11.25 | 0.733 |
| Laboratory variables | ||||
| TC (mmol/L) | 3.86(3.26~4.57) | 4.10(3.41~4.98) | 3.64(3.13~4.21) | <0.01 |
| TG(mmol/L) | 1.31(0.96~1.92) | 1.91(1.45~2.33) | 0.97(0.80~1.18) | <0.01 |
| HDL-C(mmol/L) | 1.22(1.00~1.47) | 1.15(0.95~1.36) | 1.29(1.06~1.62) | <0.01 |
| LDL-C(mmol/L) | 2.26(1.72~2.87) | 2.43(1.91~3.13) | 2.13(1.65~2.64) | <0.01 |
| FBG(mmol/L) | 5.82(5.05~7.63) | 7.14(5.68~9.31) | 5.27(4.79~5.84) | <0.01 |
| HbA1c(%) | 5.80(5.40~6.80) | 6.30(5.50~7.50) | 5.50(5.30~6.00) | <0.01 |
| TyG index | 8.80(8.36~9.26) | 9.25(8.98~9.58) | 8.34(8.12~8.55) | <0.01 |
| Case history | ||||
| Hypertension n (%) | 467(78.36%) | 239(78.62%) | 228(78.08%) | 0.874 |
| T2DM n (%) | 292(48.99%) | 196(64.47%) | 96(32.88%) | <0.01 |
| Dyslipidemia n (%) | 388(65.10%) | 204(67.11%) | 184(63.01%) | 0.295 |
| Prior CVDs n (%) | 506(84.90%) | 250(82.24%) | 256(87.67%) | 0.064 |
| Prior PCI n (%) | 161(27.01%) | 89(29.28%) | 72(24.66%) | 0.204 |
| Prior stroke n (%) | 264(44.30%) | 144(47.37%) | 120(41.10%) | 0.123 |
| Family history of CVDs n (%) | 183(30.70%) | 98(32.24%) | 85(29.11%) | 0.408 |
| Medications | ||||
| Antiplatelet medication n (%) | 565(94.80%) | 285(93.75%) | 280(95.89%) | 0.239 |
| ACEI/ARB n (%) | 262(43.96%) | 162(53.29%) | 100(34.25%) | <0.01 |
| CCB n (%) | 334(56.04%) | 175(57.57%) | 159(54.45%) | 0.444 |
| β-Blocker n (%) | 351(58.89%) | 181(59.54%) | 170(58.22%) | 0.743 |
| Antidiabetic agents n (%) | 253(42.45%) | 183(60.20%) | 70(23.97%) | <0.01 |
| Statins n (%) | 516(86.58%) | 277(91.12%) | 239(81.85%) | <0.01 |
| Antidepressants n (%) | 405(67.95%) | 198(65.13%) | 207(70.89%) | 0.132 |
| Benzodiazepines n (%) | 214(35.91%) | 109(35.86%) | 105(35.96%) | 0.979 |
BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; TC, total cholesterol; TG, triglyceride; LDL-C, low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; FBG, fasting blood glucose; HbA1c, glycosylated hemoglobin; TyG, triglyceride-glucose;T2DM, diabetes mellitus type 2; CVD, cardiovascular disease; PCI, percutaneous coronary intervention; ACEI, angiotensin converting enzyme inhibitor; ARB, angiotensin receptor blocker; CCB, calcium channel blocker.