表1.
匹配后两组患者临床特征基线资料比较
Clinical characteristics after match
| Items | MICS CABG (n=85) | OPCABG (n=85) | t/χ2 value | P value |
| MICS CABG, minimally invasive cardiac surgery coronary artery bypass grafting; OPCABG, off-pump coronary aortic bypass grafting; BMI, body mass index; PCI, percutaneous coronary intervention; LVDd, left ventricular end diastolic dimension; EF, ejection fraction; HBP, high blood pressure. | ||||
| General characteristics | ||||
| Age/years, x±s | 63.8±8.7 | 63.1±13.2 | 0.408 | 0.684 |
| Male, n(%) | 68 (80.0) | 66 (77.6) | 0.141 | 0.707 |
| BMI/(kg/m2), x±s | 25.5±2.7 | 25.1±3.3 | 0.865 | 0.388 |
| Coronary artery and cardiac function | ||||
| Coronary artery lesions≥3, n(%) | 52 (61.2) | 54 (63.3) | 0.100 | 0.752 |
| History of PCI, n(%) | 29 (34.1) | 21 (24.7) | 1.813 | 0.178 |
| LVDd/mm, x±s | 48.4±8.4 | 47.9±9.8 | 0.357 | 0.772 |
| EF/%, x±s | 52.2±5.7 | 53.3±8.5 | -0.991 | 0.323 |
| Cardiac-related complications | ||||
| HBP, n(%) | 50 (58.8) | 52 (61.2) | 0.098 | 0.754 |
| History of myocardial infarction, n(%) | 17 (20.0) | 21 (24.7) | 0.542 | 0.461 |
| Congestive heart failure, n(%) | 2 (2.3) | 1 (1.2) | 0.339 | 1.000 |
| Non-cardiac-related complications | ||||
| Hypercholesterolemia, n(%) | 12 (14.1) | 11 (14.0) | 0.050 | 0.823 |
| Diabetes, n(%) | 25 (29.4) | 33 (38.9) | 1.675 | 0.196 |
| Chronic lung disease, n(%) | 0 (0.0) | 5 (5.9) | 5.152 | 0.059 |
| History of cerebrovascular disease, n(%) | 5 (5.8) | 3 (3.8) | 0.525 | 0.720 |
| Peripheral vascular disease, n(%) | 1 (1.2) | 2 (2.3) | 0.330 | 1.000 |
| Creatinine /(μmol/L), x±s | 66.7±15.2 | 72.5±22.5 | -1.969 | 0.051 |