Table 2.
Clinical Characteristics of the 991 STEMI Study Patients
| TIMI‐I | ACUITY | |||||
|---|---|---|---|---|---|---|
| Presenting Signs | No Major Bleeding, n = 903 (91.9%) | Major Bleeding, n = 88 (8.9%) | P Value | No Major Bleeding, n = 821 (82.8%) | Major Bleeding, n = 170 (17.2%) | P Value |
| Median HR, bpm (25th, 75th percentiles) | 77 (66, 87) | 80 (71, 100) | <0.001 | 77 (65, 86) | 80 (70, 96) | <0.001 |
| Median SBP, mm Hg (25th, 75th percentiles) | 130 (115, 145) | 120 (98, 140) | 0.003 | 130 (115, 145) | 130 (104, 150) | 0.106 |
| ST decrease >50% | 64.6 | 47.3 | 0.013 | 65.1 | 53.2 | 0.023 |
| Killip class | <0.001 | <0.001 | ||||
| I | 82.6 | 48.3a | 83.0 | 62.7a | ||
| II | 8.4 | 14.9 | 8.4 | 11.8 | ||
| III | 2.7 | 4.6 | 2.6 | 4.1 | ||
| IV | 6.3 | 32.2a | 6.0 | 21.3a | ||
| AMI location | 0.002 | <0.001 | ||||
| Inferior | 39.7 | 23.3a | 40.8 | 26.2a | ||
| Lateral | 8.1 | 4.7 | 8.2 | 6.0 | ||
| Anterior | 52.2 | 72.1a | 51.0 | 67.9a | ||
| Median LVEF, % (25th, 75th percentiles) | 45 (38, 50) | 35 (30, 45) | <0.001 | 45 (38, 50) | 40 (30, 45) | <0.001 |
| CAD | 0.500 | 0.122 | ||||
| No disease | 0.2 | 0.0 | 0.2 | 0.0 | ||
| 1‐vessel | 39.8 | 32.2 | 40.8 | 31.4 | ||
| 2‐vessel | 34.0 | 40.2 | 33.7 | 38.5 | ||
| 3‐vessel | 26.0 | 27.6 | 25.3 | 30.2 | ||
| Left main | 7.3 | 13.1 | 0.083 | 6.9 | 12.1 | 0.036 |
| CABG | 1.6 | 2.3 | 0.609 | 1.5 | 2.4 | 0.499 |
| IRA | <0.001 | <0.001 | ||||
| RCA | 33.7 | 17.6a | 34.7 | 20.7a | ||
| CX | 12.2 | 14.0 | 12.4 | 12.1 | ||
| DA | 52.4 | 61.3 | 51.3 | 62.3 | ||
| Left main | 0.7 | 5.9a | 0.7 | 3.1a | ||
| CABG | 1.0 | 1.2 | 0.9 | 1.8 | ||
| Stent implantation | 89.4 | 85.2 | 0.313 | 89.6 | 86.2 | 0.284 |
| BMS | 46.9 | 61.4 | 47.1 | 53.5 | ||
| DES | 42.8 | 28.4 | 0.024 | 42.4 | 37.6 | 0.293 |
| POBA | 10.3 | 10.2 | 10.5 | 8.9 | ||
| TIMI flow post‐PCI | 0.002 | 0.041 | ||||
| III | 94.6 | 86.0 | 94.8 | 89.3 | ||
| II | 3.4 | 10.5a | 3.5 | 6.5 | ||
| I | 0.9 | 0.0 | 0.7 | 1.2 | ||
| 0 | 1.1 | 3.5 | 1.0 | 3.0 | ||
| PCI failure | 5.4 | 13.8 | 0.004 | 5.2 | 10.7 | 0.012 |
| GPI | 70.2 | 59.1 | 0.039 | 69.4 | 68.2 | 0.784 |
Abbreviations: ACUITY, Acute Catheterization and Urgent Intervention Triage Strategy; AMI, acute myocardial infarction; BMS, bare‐metal stent; CABG, coronary artery bypass graft; CAD, coronary artery disease; COPD, chronic obstructive pulmonary disease; CX, circumflex coronary artery; DA, descending anterior coronary artery; DES, drug‐eluting stent; DM, diabetes mellitus; GPI, glycoprotein IIb/IIIa inhibitor; HR, heart rate; IRA, infarct‐related artery; LVEF, left ventricular ejection fraction; MI, myocardial infarction; PCI, percutaneous coronary intervention; POBA, plain old balloon angioplasty; RCA, right coronary artery; SBP, systolic arterial blood pressure; ST, ST segment; STEMI, ST‐elevation myocardial infarction; TIMI‐I, Thrombolysis In Myocardial Infarction‐I. Numbers shown are percentages unless otherwise noted.
P < 0.05.