Clinical, angiographic, and procedural characteristics of patients with stable or unstable coronary artery disease
| . | All (N = 40) . | Stable (n = 22) . | Unstable (n = 18) . |
|---|---|---|---|
| Clinical characteristics | |||
| Age (y) (%) | 53 ± 7.6 | 54.4 ± 7.3 | 52.5 ± 8.2 |
| Males (%) | 37 (92) | 20 (91) | 17 (94) |
| Hypertension (%) | 17 (43) | 10 (45) | 7 (39) |
| Smokers (%) | 20 (50) | 12 (55) | 8 (44) |
| Hypercholesterolemia (%) | 17 (43) | 7 (32) | 10 (56) |
| Diabetes (%) | 2 (5) | 1 (5) | 1 (3) |
| Family history (%) | 21 (53) | 12 (55) | 10 (56) |
| Previous MI (%) | 15 (38) | 10 (45) | 5 (28) |
| Angiographic and procedural characteristics | |||
| No. diseased vessels | |||
| 1 (%) | 22 (55) | 12 (55) | 10 (56) |
| 2 (%) | 11 (28) | 7 (32) | 4 (22) |
| 3 (%) | 7 (17) | 3 (14) | 4 (22) |
| Lesion morphology* | |||
| Smooth (%) | 21 (53) | 18 (82) | 3 (17) |
| Complex (%) | 19 (47) | 4 (18) | 15 (83) |
| No. cuts | 5.3 (2-9) | 5.6 (2-9) | 5.0 (2-7) |
| . | All (N = 40) . | Stable (n = 22) . | Unstable (n = 18) . |
|---|---|---|---|
| Clinical characteristics | |||
| Age (y) (%) | 53 ± 7.6 | 54.4 ± 7.3 | 52.5 ± 8.2 |
| Males (%) | 37 (92) | 20 (91) | 17 (94) |
| Hypertension (%) | 17 (43) | 10 (45) | 7 (39) |
| Smokers (%) | 20 (50) | 12 (55) | 8 (44) |
| Hypercholesterolemia (%) | 17 (43) | 7 (32) | 10 (56) |
| Diabetes (%) | 2 (5) | 1 (5) | 1 (3) |
| Family history (%) | 21 (53) | 12 (55) | 10 (56) |
| Previous MI (%) | 15 (38) | 10 (45) | 5 (28) |
| Angiographic and procedural characteristics | |||
| No. diseased vessels | |||
| 1 (%) | 22 (55) | 12 (55) | 10 (56) |
| 2 (%) | 11 (28) | 7 (32) | 4 (22) |
| 3 (%) | 7 (17) | 3 (14) | 4 (22) |
| Lesion morphology* | |||
| Smooth (%) | 21 (53) | 18 (82) | 3 (17) |
| Complex (%) | 19 (47) | 4 (18) | 15 (83) |
| No. cuts | 5.3 (2-9) | 5.6 (2-9) | 5.0 (2-7) |
Continuous variables are expressed as means ± SD or medians and ranges as appropriate. Means were compared using the Student unpaired t test; medians were compared using the Mann-Whitney U test. Frequencies were compared using the χ2 test.
P < .0001.