Univariate analysis and percentage of aneurysm occlusion (O’Kelly–Marotta (OKM) C–D) ascribed to each variable in the 156 patients with arterial monitoring data
| Variables | Aneurysm occlusion | P values |
| N/total (%) of subgroup | ||
| Characteristics of patients or stent | ||
| Male | 27/31 (87.1) | 0.669 |
| Previous subarachnoid hemorrhage | 65/77 (84.4) | 0.964 |
| Single versus multiple aneurysm | 52/58 (89.7) | 0.180* |
| FRED Junior | 28/32 (87.5) | 0.612 |
| Aneurysm morphology | ||
| Saccular | 56/66 (84.8) | 0.945 |
| Fusiform | 15/17 (88.2) | 0.661 |
| Blister/dysplastic artery | 19/19 (100) | 0.047 |
| Dissecting | 2/3 (66.7) | 0.384 |
| Pre-treated by other techniques | 40/50 (80) | 0.273 |
| Size | ||
| Small | 66/72 (91.5) | 0.024* |
| Medium | 17/22 (77.3) | 0.303 |
| Large | 7/8 (87.5) | 0.816 |
| Posterior versus anterior territory | 12/16 (75) | 0.26 |
| Immediate OKM grade | ||
| A | 27/39 (68.4) | |
| B | 71/83 (85.4) | |
| C | 29/29 (100) | |
| D | 5/5 (100) | 0.004* |
*Selected for multivariate analysis.