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Variables Early (n = 128) Late (n = 52) Complete (n = 690) P Valuea Female 94 (73.4%) 34 (65.4%) 467 (67.7%) .389 Age, yr 58.0 ± 11.1 55.3 ± 12.1 58.1 ± 10.5 .330 HTN 80 (62.5%) 25 (48.1%) 375 (54.3%) .134 Hyperlipidemia 15 (11.7%) 12 (23.1%) 123 (17.8%) .126 Smoking 19 (14.8%) 6 (11.5%) 91 (13.2%) .815 Location Anterior 104 (81.2%) 48 (92.3%) 650 (94.2%) Posterior 24(18.8%) 4 (7.7%) 40(5.8%) <.001 Presentations UIA 99 (77.3%) 38 (73.1%) 595 (86.2%) SAH 29 (22.7%) 14 (26.9%) 95(13.8%) <.001 Second attempt 33 (25.8%) 7 (13.5%) 34 (4.9%) <.001 Type Sidewall 66 (51.6%) 28 (53.9%) 388 (56.2%) Bifurcation 62 (48.4%) 24 (46.1%) 302 (43.8%) .604 Maximum size, mm 8.3 ± 5.1 5.7 ± 2.2 4.6 ± 2.6 Aneurysm size >7 mm 62 (48.4%) 12 (23.1%) 84 (12.2%) <.001 D/N ratio (>1) 69 (53.9%) 35 (67.3%) 391 (56.7%) .249 Balloon 22 (17.2%) 8 (15.4%) 162 (23.5%) .141 Stent 45(35.2%) 8 (15.4%) 169 (24.5%) .009 Antiplatelet medication 48 (37.5%) 19 (36.5%) 183 (26.5%) .018 Initial occlusion Successful occlusion 96 (75.0%) 42 (80.8%) 519 (75.2%) Residual sac 32 (25.0%) 10 (19.2%) 171 (24.8%) .661 Bioactive coil (>50%) 26 (20.3%) 8 (15.4%) 129 (18.7%) .743 Note:—D/N ratio indicates depth-to-neck ratio; HTN, hypertension; UIA, unruptured intracranial aneurysm.
↵a P < .05 is significant.
- Table 2:
Multinomial logistic regression; late recanalization versus complete occlusion (early recanalization serving as reference)a
Variables Late Recanalization Complete Occlusion Odds Ratio (95% CI) P Valueb Odds Ratio (95% CI) P Valueb Posterior circulation 0.54 (0.17–1.72) .301 0.42 (0.22–0.80) .009 SAH presentation 1.16 (0.53–2.56) .710 0.51 (0.30–0.86) .011 Second attempt 0.65 (0.24–1.73) .39 0.15 (0.08–0.27) <.001 Stent 0.53 (0.21–1.32) .172 1.39 (0.84–2.31) .197 Antiplatelet medication 1.15 (0.58–2.30) .689 0.73 (0.47–1.14) .167 Aneurysm size >7 mm 0.38 (0.18–0.82) .013 0.17 (0.10–0.26) <.001