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Table 3: Patient neuroimaging evaluation after aneurysm treatment
Clip Coil OR (95% CI) P Value
No. of patients 50 50 
Patients without FU imaging, no. (%) 4 (8) 2 (4) 
Frontal lobe IPH after treatment, no. (%)^{^a} 12 (26.1) 11 (22.9) 3.0 (1.0–10.1) .06
Nonvasospasm ischemic frontal lobe infarction, no. (%)^{^a} 12 (26.1) 2 (4.2) 8.5 (1.9–62.3) .004
Artery of Heubner infarction after treatment, no. (%)^{^a} 15 (32.6) 1 (2.1) 20.9 (3.5–403.7) <.001
Embolic infarction after treatment, no. (%)^{^a} 4 (8.7) 12 (25) 0.3 (0.1–1.1) .07
Vasospasm-related ischemic infarction, no. (%)^{^a} 7 (15.2) 8 (16.7) 0.9 (0.3–3.1) .85
Any ischemic infarction after treatment, no. (%)^{^a} 33 (71.7) 24 (50) 4.1 (1.5–12.4) .005
Note:—FU indicates follow-up; IPH, intraparenchymal hemorrhage.
↵a Percentages refer to the number of patients with non-missing values (46 clip and 48 coil). P values are from the likelihood ratio test using propensity scores and odds ratios, and resulting 95% CIs are derived from the logistic model that includes both treatment and propensity scores (see “Materials and Methods” section).