Table 1.
Baseline characteristics
| Total (n = 866) | TyG index |
P value for trend |
|||
|---|---|---|---|---|---|
| Tertile 1 (n = 288) | Tertile 2 (n = 299) | Tertile 3 (n = 299) | |||
| Age, years, mean (SD) | 70.1 (13.7) | 70.9 (14.9) | 70.1 (13.6) | 69.3 (12.4) | 0.21 |
| Male, n (%) | 527 (60.9) | 159 (55.2) | 174 (60.2) | 194 (67.1) | 0.003 |
| BMI, kg/m2, mean (SD) | 23.2 (4.1) | 21.9 (3.7) | 23.0 (3.9) | 24.5 (4.2) | < 0.001 |
| Medical history, n (%) | |||||
| Hypertension | 622 (71.9) | 195 (67.7) | 202 (70.1) | 225 (77.9) | 0.007 |
| Dyslipidemia | 392 (45.3) | 92 (31.9) | 137 (47.4) | 163 (56.4) | < 0.001 |
| Diabetes mellitus | 320 (37.0) | 52 (18.1) | 92 (31.9) | 176 (60.9) | < 0.001 |
| Chronic kidney disease | 233 (26.9) | 75 (26.0) | 74 (25.6) | 84 (29.1) | 0.41 |
| Atrial fibrillation | 195 (22.5) | 81 (28.1) | 67 (23.2) | 47 (16.3) | < 0.001 |
| Chronic heart failure | 112 (12.9) | 47 (16.3) | 31.3 (12.1) | 30 (10.4) | 0.034 |
| Stroke or TIA | 170 (19.6) | 55 (19.1) | 54 (18.7) | 61 (21.1) | 0.54 |
| Coronary artery disease | 115 (13.3) | 30 (10.4) | 42 (14.5) | 43 (14.9) | 0.11 |
| Peripheral artery disease | 45 (5.2) | 13 (4.5) | 12 (4.2) | 20 (6.9) | 0.19 |
| Current smoking | 150 (17.3) | 40 (13.9) | 48 (16.6) | 62 (21.5) | 0.016 |
| Excessive alcohol | 56 (6.5) | 14 (4.9) | 11 (3.8) | 31 (10.7) | 0.004 |
Patients were divided into three groups according to the tertile of TyG index: tertile 1, < 8.48; tertile 2, 8.48–9.01; and tertile 3, > 9.01
BMI indicates body mass index; SD standard deviation; TIA transient ischemic attack; TyG triglyceride-glucose