Table 1 Clinical characteristics
Items | STEMI patients (N = 1244) |
|---|---|
Demographic characteristics | |
Age (years), mean ± SD | 63.9 ± 11.9 |
Male, No. (%) | 915 (73.6) |
BMI (kg/m2), mean ± SD | 25.3 ± 31.4 |
Medical history | |
History of diabetes mellitus, No. (%) | 251 (20.2) |
History of allergy, No. (%) | 87 (7.0) |
History of cardiac surgery, No. (%) | 62 (5.0) |
History of critical respiratory disease, No. (%) | 36 (2.9) |
History of renal function impairment, No. (%) | 22 (1.8) |
CRUSADE score | |
Mean ± SD | 30.2 ± 14.5 |
Risk stratification, No. (%) | |
Very low risk (≤ 20) | 328 (26.4) |
Low risk (21–30) | 350 (28.1) |
Moderate risk (31–40) | 277 (22.3) |
High risk (41–50) | 157 (12.6) |
Very high risk (> 50) | 113 (9.1) |
Unknown | 19 (1.5) |
PCI characteristics | |
Operative timing, No. (%) | |
Emergency operation | 938 (75.4) |
Elective operation | 306 (24.6) |
Types of coronary interventional therapy, No. (%) | |
Stent implantation | 1184 (95.2) |
Balloon dilatation | 56 (4.5) |
Thrombus aspiration | 0 (0.0) |
Others | 4 (0.3) |
Types of stents, No. (%) | |
Drug stent | 1143 (91.9) |
Bare stent | 42 (3.4) |
Others | 1 (0.1) |
Unknown | 58 (4.7) |
Arterial access, No. (%) | |
Radial artery | 1180 (94.9) |
Femoral artery | 61 (4.9) |
Brachial artery | 0 (0.0) |
Others | 3 (0.2) |
Culprit vessel, No. (%) | |
Single | 1053 (84.6) |
Multiple | 190 (15.3) |
Unknown | 1 (0.1) |
Administration of bivalirudin | |
Preoperative or intraoperative, No. (%) | 44 (3.5) |
Postoperative ≤ 4 h, No. (%) | 1116 (89.7) |
Postoperative > 4 h, No. (%) | 84 (6.8) |
Combined with GP IIb/IIIa inhibitors, No. (%) | 805 (64.7) |