Findings on intravascular ultrasound: vessel size
| Acute myocardial infarction (n=59) | Stable angina (n=50) | p Value | |
| Distal site | |||
| EEM CSA (mm2) | 13.4 (4.5) | 13.4 (3.4) | NS |
| Lumen CSA (mm2) | 7.10 (3.3) | 7.90 (1.4) | NS |
| Proximal site | |||
| EEM CSA (mm2) | 16.2 (5.4) | 16.3 (3.7) | NS |
| Lumen CSA (mm2) | 8.5 (3.4) | 9.2 (2.5) | NS |
| Target site | |||
| EEM CSA (mm2) | 13.9 (4.6) | 12.8 (3.0) | NS |
Values are mean (SD).
CSA, cross sectional area; EEM, external elastic membrane.