Table 1.
Baseline patient characteristics and physician assessments
| All patients n = 1151 (%) | % with ACS n = 146 (97 MI, 49 UA) | |
|---|---|---|
| Admitted to hospital | 621 (54) | 23.0 |
| Age (years) | ||
| <40 | 177 (15.4) | 0 |
| 40-65 | 474 (41.2) | 10.3 |
| >65 | 500 (43.4) | 19.4 |
| >80 | 176 (15.3) | 21.0 |
| Gender | ||
| Male | 646 (56.1) | 16.9 |
| Cardiovascular history | ||
| Known PAD | 26 (2.3) | 23.1 |
| Diabetes | 168 (14.6) | 25.0 |
| Previous stroke | 103 (8.9) | 22.3 |
| Known CAD | 338 (29.4) | 22.5 |
| Known heart failure | 116 (10.1) | 12.1 |
| Chest pain history | ||
| Typical of ACS | 327 (28.4) | 38.5 |
| Typical of AMI | 147 (12.8) | 36.7 |
| Suspicious of UA | 180 (15.6) | 40.0 |
| Nonspecific | 409 (35.5) | 4.6 |
| Not suspicious of ACS | 415 (36.1) | 0.2 |
| ECG | ||
| ST elevation | 23 (2.0) | 69.6 |
| ST depression | 46 (4.0) | 63.0 |
| T-wave inversion | 35 (3.0) | 34.3 |
| Q-wave | 3 (0.3) | 33.3 |
| LBBB | 8 (0.7) | 37.5 |
| Troponin T, initial | ||
| Elevated ≥ 0.05 μg/L | 78 (6.8) | 78.2 |
| Overall clinical gestalt | ||
| Obvious ACS | 21 (1.8) | 81.0 |
| Strong suspicion | 250 (21.7) | 41.2 |
| Low suspicion | 439 (38.1) | 5.9 |
| No suspicion | 441 (38.3) | 0 |
PAD, peripheral artery disease; CAD, Coronary artery disease.
ACS, Acute coronary syndrome; AMI, Acute myocardial infarction; UA, Unstable angina.
LBBB, Left bundle branch block.