Table 1. Baseline characteristics of 114 patients with unruptured aneurysms.
Results are presented as standard deviations of the mean (±) or absolute numbers with the percentage of the total
P-value: probability value; ICA: internal carotid artery; ACA: anterior cerebellar artery; PComm: posterior communicating artery; AComm: anterior communicating artery; MCA: middle cerebral artery; Vert/PCA/SCA/PICA/AICA: vertebral artery/posterior cerebellar artery/superior cerebellar artery; posterior inferior cerebellar artery/anterior inferior cerebellar artery; ASA: American Society of Anesthesiologists; SNF: skilled nursing facility
| Variable | Coiling (N = 37) | Pipeline (N = 77 patients, 79 aneurysms) | P-value |
| Age (years) | 61.3 (±12.8) | 57.0 (±14.5) | 0.2 |
| Sex (male) | 12 (32.4%) | 17 (22.1%) | 0.2 |
| Aneurysm location | 0.0001 | ||
| ICA | 7 (18.9%) | 51 (64.6%) | |
| ACA | 4 (10.8%) | 3 (3.8%) | |
| Acomm | 11 (29.7%) | 1 (1.3%) | |
| Pcomm | 3 (8.1%) | 3 (3.8%) | |
| MCA | 0 | 4 (5.1%) | |
| Basilar | 5 (13.5%) | 4 (5.1%) | |
| Vert/PCA/SCA/PICA/AICA | 3 (8.1%) | 13 (16.5%) | |
| ICA + Vert | 1 (2.7%) | 0 | |
| ACA + PComm | 1 (2.7%) | 0 | |
| Unknown | 2 (5.4%) | 0 | |
| Aneurysm size (mm) | 8.1 (±4.5) | 8.8 (±8.1) | 0.6 |
| ASA grade | 0.5 | ||
| 1 | 0 (0.0%) | 1 (1.3%) | |
| 2 | 2 (5.4%) | 16 (20.8%) | |
| 3 | 6 (16.2%) | 21 (27.3%) | |
| 4 | 2 (5.4%) | 3 (3.9%) | |
| Unknown | 27 (73.0%) | 36 (46.8%) | |
| Discharge disposition | 0.1 | ||
| Home | 32 (86.5%) | 71 (92.2%) | |
| Home health | 0 (0.0%) | 2 (2.6%) | |
| Acute rehabilitation | 1 (2.7%) | 3 (3.9%) | |
| SNF | 2 (5.4%) | 1 (1.3%) | |
| Died | 2 (5.4%) | 0 (0.0%) | |
| Length of stay (days) | 3.1 (±5.5) | 2.4 (±2.6) | 0.4 |
| Length of overall follow-up (months) | 30.8 (±24.6) | 26.4 (±18.6) | 0.3 |
| Length of clinical follow-up (months) | 26.0 (±23.5) | 23.5 (±18.7) | 0.8 |
| Length of imaging follow-up (months) | 25.5 (±22.7) | 24.4 (±17.4) | 0.5 |