Characteristics of patients with a small D/N aneurysm versus those with a large D/N aneurysm
| Characteristic | D/N | P | |
|---|---|---|---|
| Small | Large | ||
| Total patients, no. (%) | 164 (32.9) | 335 (67.1) | |
| Mean (SD) age, y | 52.5 (11.4) | 51.9 (11.7) | .64 |
| Female, no. (%) | 118 (72.0) | 233 (69.4) | .6 |
| Recently ruptured, no. (%) | 84 (51.2) | 182 (54.2) | .57 |
| Assist device used, no. (%) | 90 (55.6) | 133 (40.4) | .002 |
| Irregular shape, no. (%) | 121 (73.8) | 226 (67.3) | .15 |
| Aneurysm size, no. (%) | |||
| Small | 36 (22.0) | 47 (14.0) | .05 |
| Medium | 93 (56.7) | 196 (58.3) | |
| Large | 35 (21.3) | 93 (27.7) | |
| Mean (SD) size, mm | 7.2 (3.1) | 8.2 (3.5) | .001 |
| WFNS, no. (%) | |||
| 0 | 76 (46.3) | 142 (42.3) | .51 |
| I | 71 (43.3) | 163 (48.5) | |
| II | 14 (8.5) | 28 (8.3) | |
| III | 3 (1.8) | 2 (0.6) | |
| VI | 0 (0.0) | 1 (0.3) | |