Table 1.
Baseline patient and aneurysm characteristics for the overall cohort and the 3 treatment groups
| Overall (n=90) | Clipping (n=50) | Coiling (n=19) | Stent-assisted coiling (n=21) | P-value | |
|---|---|---|---|---|---|
| Age (y) | 53.2±11.0 | 50.3±9.5 | 54.8±14.5 | 58.4±8.8 | 0.019 |
| Female sex | 73 (81.1) | 41 (82.0) | 14 (73.7) | 18 (85.7) | 0.606 |
| Morphology (Lob/DS) | 57/33 (63.3/36.7) | 29/21 (58.0/42.0) | 14/5 (73.7/26.3) | 14/7 (66.7/33.3) | 0.452 |
| Location | |||||
| ICA | 12 (13.3) | 2 (4.0)*,† | 4 (21.1)* | 7 (33.3)† | 0.001 |
| ACA | 24 (26.7) | 7 (14.0)† | 6 (31.6) | 11 (52.4)† | 0.003 |
| MCA | 44 (48.9) | 40 (80.0)*,† | 2 (10.5)* | 2 (9.5)† | <0.001 |
| Pcom | 10 (11.1) | 2 (4.0)* | 7 (36.8)* | 1 (4.8) | <0.001 |
| Aneurysm size (mm) | 8.0±3.8 | 7.2±3.1 | 8.2±2.4 | 9.8±5.5 | 0.135 |
| Neck width (mm) | 4.0±1.5 | 3.9±1.3 | 3.7±1.2 | 4.6±2.0 | 0.327 |
| Dome-to-neck ratio | 1.7±0.7 | 1.5±0.6 | 1.7±0.5 | 2.0±1.0 | 0.503 |
| Aspect ratio | 2.0±1.0 | 1.8±1.0 | 2.2±0.7 | 2.0±1.1 | 0.084 |
Data are presented as means±standard deviation or number (%).
Lob, lobulated aneurysm; DS, daughter Sac; ICA, internal cerebral artery; ACA, anterior cerebral artery; MCA, middle cerebral artery; Pcom, posterior communicating artery.
*
Indicates a significant difference between clipping and coiling.
†
Indicates a significant difference between clipping and stent-assisted coiling.