Table. Patient Demographics.
Baseline characteristics of patients who had pre-infarction angina prior to STEMI compared to patients without pre-infarction angina.
| No Pre-Infarction Angina (n=166) | Pre-Infarction Angina (n=79) | P-Value | |
|---|---|---|---|
| Age (yrs), mean(SD) | 58.9 ± 12.5 | 60.7 ± 12.7 | 0.31 |
| Males, (%) | 133 (80.1) | 59 (74.7) | 0.33 |
| Hypertension, (%) | 79 (47.6) | 39 (50.0) | 0.73 |
| Dyslipidemia, (%) | 83 (50.9) | 39 (49.4) | 0.82 |
| Diabetes, (%) | 22 (13.3) | 10 (12.7) | 0.90 |
| Culprit Artery | |||
| LAD, (%) | 65 (39.2) | 32 (40.5) | 0.69 |
| RCA, (%) | 73 (44.0) | 37 (46.8) | |
| LCx, (%) | 28 (16.9) | 10 (12.7) | |
| Killip Class | |||
| 0/1, (%) | 149 (89.8) | 74 (93.7) | 0.65 |
| 2/4, (%) | 17 (10.2) | 5 (6.3) | |
| CK AUC (IU-hr / L) | 36,810±21,741 | 18,420±18,941 | p < 0.0001 |
| Time to peak CK post- reperfusion (min) | 550 ± 29 | 581 ± 42 | 0.54 |
| Number of stents placed | 1.4 ± 0.1 | 1.5 ± 0.1 | 0.58 |
| Fluoroscopy time (min) | 11.9 ± 0.6 | 11.9 ± 1.0 | 0.97 |
| Contrast use (ml) | 168 ± 4 | 164 ± 7 | 0.64 |
| Bivalirudin (%) | 10.6 ± 2 | 15.6 ± 4 | 0.28 |
| GP IIB IIIA (%) | 78.1 ± 3.3 | 77.9 ± 4.7 | 0.97 |
| Aspiration Thrombectomy (%) | 38.1 ± 3.9 | 43.6 ± 5.7 | 0.42 |
AUC = CK area-under-curve; GP = glycoprotein;