Table 1.
General characteristics of the study population.
| General characteristics | Total subjects |
|---|---|
| Sex, male | 500 (80.9) |
| Age (y) | |
| Mean age | 63.6 ± 8.8 |
| <65 | 313 (50.6) |
| ≥65 | 305 (49.4) |
| Hospital in which CABG surgery underwent | |
| Anzhen hospital | 403 (65.2) |
| Other hospital | 215 (34.8) |
| Duration of CABG (y) | |
| <5 | 236 (38.2) |
| 5–9 | 266 (43.0) |
| ≥10 | 116 (18.8) |
| Conventional risk factors | |
| Postoperative smoking | 220 (35.6) |
| Overweight/obesity (BMI ≥ 24) | 504 (81.5) |
| LDL-C ≥1.8 mmol/L | 523 (84.6) |
| History of hypertension | 411 (66.5) |
| History of diabetes | 242 (39.2) |
| Prior MI | 186 (30.1) |
| Current presentation | |
| Angina | 577 (93.4) |
| Acute MI | 41 (6.6) |
| Native coronary artery severe stenosis | |
| Left main stenosis | 298 (48.2) |
| Left anterior descending stenosis | 473 (76.5) |
| Circumflex coronary artery stenosis | 383 (62.0) |
| Right coronary artery stenosis | 269 (43.5) |
| LIMA graft stenosis | 161 (26.1) |
Data are presented as mean ± standard deviation or n (%).
CABG, coronary artery bypass grafting; BMI, body mass index; LDL-c, low-density lipoprotein cholesterol, MI, myocardial infarction; LIMA, internal mammary artery.