Factors associated with recanalization success in univariable and multivariable analysis
| Characteristic | Univariable Analysis | Multivariable Analysis | ||
|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | |
| Right | 0.64 (0.51–1.33) | .282 | ||
| Tapered stump | 2.36 (1.02–3.11) | .035 | 2.23 (0.87–3.36) | .091 |
| Level of reversed distal ICA flow | ||||
| Communicating segment | 0.14 (0.07–0.21) | .001 | 0.13 (0.07–0.24) | .010 |
| Ophthalmic segment | 0.08 (0.03–0.44) | <.001 | 0.14 (0.08–0.48) | .001 |
| Clinoid segment | 0.73 (0.63–1.21) | .214 | 0.62 (0.36–1.22) | .160 |
| Cavernous segment | 1.73 (0.96–3.89) | .07 | 1.66 (0.87–3.54) | .550 |
| Petrous segment or below | 5.34 (1.41–11.37) | <.001 | 4.07 (1.65–8.38) | .001 |
| Collateral circulation | ||||
| Primary | 0.55 (0.35–1.59) | .143 | ||
| Secondary | 0.36 (0.14–0.71) | .027 | 1.32 (0.98–1.47) | .210 |
| Proximal occlusion | ||||
| Lesion length | 0.51 (0.13–0.74) | .005 | 0.41 (0.36–0.55) | .009 |
| Lesion volume | 2.11 (0.71–4.49) | .110 | ||
| Lipid-rich necrotic core | 3.26 (1.45–6.36) | .024 | 2.36 (0.94–5.33) | .060 |
| Hemorrhage | 1.35 (0.65–2.38) | .510 | ||
| Calcification | 0.71 (0.44–0.90) | <.001 | 0.56 (0.37–0.68) | .002 |
| Dense fibrous tissue | 3.31 (0.93–10.36) | .615 | ||
| Loose matrix | 1.66 (0.87–3.88) | .120 | ||
| Distal occlusion | ||||
| Lumen iso- to hypointensity | 2.23 (1.06–5.29) | .047 | 1.87 (0.91–4.66) | .091 |
| Lumen area | 1.32 (1.02–2.17) | <.001 | 1.13 (1.04–1.61) | .002 |
| Wall area | 1.76 (0.71–3.38) | .230 | ||