Characteristics of unruptured aneurysm cases
| Total n = 2535 | Neurosurgical n = 1881 | Endovascular n = 654 | P* | |
|---|---|---|---|---|
| Mean Age (SD), years | 53.9 (12.9) | 53.8 (12.2) | 53.9 (15.0) | .83 |
| Male (%) | 26 | 25 | 31 | <.05 |
| Medicaid (%) | 9 | 8 | 9 | .66 |
| Admission Source (%) | <.0001 | |||
| Home | 84 | 83 | 88 | |
| Emergency Department | 11 | 13 | 6 | |
| Transfer | 5 | 4 | 6 | |
| Region (%) | <.05 | |||
| West | 22 | 20 | 27 | |
| South | 33 | 33 | 33 | |
| Midwest | 11 | 12 | 11 | |
| New England | 8 | 8 | 7 | |
| Mid Atlantic | 26 | 27 | 22 |
* Pearson χ 2 test and t test used to evaluate statistical significance for categoric variables and continuous variables, respectively, comparing neurosurgical and endovascular groups. Significant P values are groups into 4 categories: <.05, <.01, <.001, <.0001.