Characteristics of patients with and without active bleeding
| Factor | Active Bleeding at Initial CT Perfusion | P | |
|---|---|---|---|
| With Bleeding | Without Bleeding | ||
| Sex | .323 | ||
| Male | 3 | 16 | |
| Female | 10 | 22 | |
| Average age (yr) | 65.8 | 62.9 | .754 |
| Aneurysm location | .154 | ||
| ICA | 2 | 11 | |
| ACA | 3 | 17 | |
| MCA | 4 | 5 | |
| VA/BA | 4 | 5 | |
| Claassen gradea | .023 | ||
| 1, 2 | 0 | 12 | |
| 3, 4 | 13 | 26 | |
| WFNS gradea | .023 | ||
| 1, 2 | 0 | 12 | |
| 3, 4, 5 | 13 | 26 | |
| Hours from onseta | .007 | ||
| ∼2 | 11 | 15 | |
| >2 | 0 | 13 | |
| Unknown | 2 | 10 | |
| Surgical repair of aneurysm (clip/coil) | 7 | 25 | .515 |
| Follow-up CT performed | 10 | 33 | .404 |
| Increased amount of hemorrhagea | 7 | 5 | .002 |
| Death within 14 days after admission | 8 | 15 | .207 |
| Total | 13 | 38 | |
↵a Items differ significantly between the 2 patient groups.