Table 2.
Index MI and Angiographic Characteristics for OAT-EP and other OAT Patients
| OAT-EP PCI Group (N=149) | OAT-EP MED Group (N=151) | OAT-EP Both Groups (N=300) | Other OAT Patients (N=1901) | |
|---|---|---|---|---|
| ST-segment elevation or new Q-waves or loss of R-waves, n(%) | 132(88.6) | 135(89.4) | 267(89.0) | 1638(86.2) |
| Thrombolytic therapy within first 24 hours of Index MI, n(%) | 20(13.4) | 22(14.6) | 42(14.0) | 382(20.1) |
| Interval from MI to randomization, d, Median, (25th percentile, 75th percentile) | 12(6,21) | 11(6,20) | 12(6,21) | 8(5,15) |
| Stress test performed, n(%) | 42(28.2) | 39(25.8) | 81(27.0) | 517(27.2) |
| Ischemia in IRA territory, n(%) | ||||
| Severe | 0(0.0) | 0(0.0) | 0(0.0) | 1(0.2) |
| Moderate | 2(4.8) | 1(2.6) | 3(3.7) | 56(10.8) |
| Mild | 13(30.9) | 10(25.6) | 23(28.4) | 157(30.4) |
| None | 27(64.3) | 28(71.8) | 55(67.9) | 303(58.6) |
| IRA, n(%) | ||||
| Left anterior descending | 52(34.9) | 51(33.8) | 103(34.3) | 690(36.3) |
| Left circumflex | 19(12.8) | 23(15.2) | 42(14.0) | 293(15.4) |
| Right coronary artery | 78(52.3) | 77(51.0) | 155(51.7) | 918(48.3) |
| IRA TIMI flow grade, n(%) | ||||
| Grade 0 | 112(75.2) | 120(79.5) | 232(77.3) | 1573(83.7) |
| Grade 1 | 37(24.8) | 31(20.5) | 68(22.7) | 298(15.8) |
| Grade 2 | 0(0.0) | 0(0.0) | 0(0.0) | 7(0.4) |
| Grade 3 | 0(0.0) | 0(0.0) | 0(0.0) | 2(0.1) |
| Collateral vessels present, n(%) | 131(87.9) | 132(87.4) | 263(87.7) | 1659(88.6) |
| Multivessel disease, n(%) | 27(18.1) | 43(28.5) | 70(23.3) | 309(16.4) |
| Left ventricular ejection fraction, mean±SD | 47.7±10.9 | 47.9±10.3 | 47.8±10.6 | 47.7±11.2 |
| Left ventricular ejection fraction<50%, n(%) | 79(53.0) | 74(49.0) | 153(51.0) | 1017(54.0) |