Table 1.
Comparison of clinical characteristics between the coronary heart disease group and the control group, n (%)
| Characteristic | CHD group (n =1060) | Control group (n = 658) | t/X2 value | P-value |
| Age | 60.25 ± 13.25 | 52.65 ± 10.86 | 12.360 | 0.000 |
| Gender (Male/Female) | 592/468 | 388/270 | 1.610 | 0.204 |
| Family history of CHD | 215 (20.3) | 113 (17.2) | 2.542 | 0.111 |
| Hypertension | 707 (66.7) | 352 (53.5) | 29.929 | 0.000 |
| Diabetes | 424 (40.0) | 102 (15.5) | 114.702 | 0.000 |
| Smoking | 286 (27.0) | 122 (18.5) | 15.970 | 0.000 |
| ST-segment changes | 456 (43.0) | 72 (10.9) | 196.224 | 0.000 |
| Abnormal TC | 445 (42.0) | 264 (40.1) | 0.579 | 0.447 |
| Abnormal LDL-C | 583 (55.0) | 260 (39.5) | 38.960 | 0.000 |
| Abnormal HDL-C | 456 (43.0) | 270 (41.0) | 0.656 | 0.418 |
| Abnormal TG | 472 (44.5) | 289 (43.9) | 0.061 | 0.805 |
| Abnormal Lp(a) | 311 (29.3) | 182 (27.7) | 0.560 | 0.454 |
| Abnormal HCY | 225 (21.2) | 115 (17.5) | 3.595 | 0.058 |
| Abnormal PAY-1 | 178 (16.8) | 99 (15.0) | 0.916 | 0.339 |
| Abnormal fibrinogen | 157 (14.8) | 87 (13.2) | 0.842 | 0.359 |
| Combined MB | 235 (22.2) | 53 (8.1) | 57.969 | 0.000 |
CHD: Coronary heart disease; MB: Myocardial bridge; TC: Total cholesterol; TG: Triglyceride; LDL-C: Low-density lipoprotein cholesterol; Lp(a): Lipoprotein(a); HCY: Homocysteine; PAI-1: Plasminogen activator inhibitor-1.