Clinical characteristics
| Patients with PCoA aneurysms | ||||
|---|---|---|---|---|
| Variable | Total (n=173) | Ruptured (n=108) | Unruptured (n=65) | p Value* |
| Age, years | ||||
| Mean±SD | 58.5±10.5 | 57.1±11.4 | 60.8±8.6 | 0.015 |
| <40 | 6 (3.5) | 5 (4.6) | 1 (1.5) | 0.008 |
| 40–49† | 36 (20.8) | 28 (25.9) | 8 (12.3) | |
| 50–59† | 45 (26.0) | 31 (28.7) | 14 (21.5) | |
| 60–69 | 53 (30.6) | 23 (21.3) | 30 (46.2) | |
| ≥70 | 33 (19.1) | 21 (19.4) | 12 (18.5) | |
| Female (%) | 137 (79.2) | 87 (80.6) | 50 (76.9) | 0.569 |
| Smoking (%) | 39 (22.5) | 28 (25.9) | 11 (16.9) | 0.170 |
| Alcohol drinking (%) | 27 (15.6) | 16 (14.8) | 11 (16.9) | 0.711 |
| Hypertension (%) | 94 (54.3) | 56 (51.9) | 38 (58.5) | 0.398 |
| Diabetes (%) | 15 (8.7) | 9 (8.3) | 6 (9.2) | 0.839 |
| Hyperlipidemia (%) | 34 (19.7) | 24 (22.2) | 10 (15.4) | 0.273 |
| Atherosclerosis (%) | 26 (15.0) | 21 (19.4) | 5 (7.7) | 0.036 |
| Cerebral infarction (%) | 28 (16.2) | 15 (13.9) | 13 (20.0) | 0.291 |
| Coronary heart disease (%) | 19 (11.0) | 12 (11.1) | 7 (10.8) | 0.944 |
*Unpaired t test, χ2 test or Fisher's exact test as appropriate.
†Compared with 60–69 years group, p<0.01 (adjusted p value by Bonferroni correction).
PCoA, posterior communicating artery.