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Table 1: Outcomes of the overall population
Outcome No. Events/Patients % (95%CI) I²
Procedural complications 37/251 12.6 (8.3–16.8) 21
Perioperative stroke 18/230 8.1 (4.7–11.5) 10
Initial occlusion 62/172 40.6 (28.5–52.7) 81
Perioperative mortality 16/265 7.3 (4.4–10.1) 0
Perioperative morbidity 34/225 13.4 (8.9–17.9) 15
Perioperative ICH 18/245 7.0 (4.1–9.9) 0
Early rebleeding 17/242 8.3 (5.0–11.5) 0
Retreatment 49/259 17.1 (111.9–22.3) 38
Mid- to long-term occlusion 196/263 74.0 (65.5–82.5) 72
Mid- to long-term good neurologic outcome 200/259 76.1 (68.5–83.7) 68
Note:—ICH indicates intracranial hemorrhage.

Outcome	No. Events/Patients	% (95%CI)	I²
Procedural complications	37/251	12.6 (8.3–16.8)	21
Perioperative stroke	18/230	8.1 (4.7–11.5)	10
Initial occlusion	62/172	40.6 (28.5–52.7)	81
Perioperative mortality	16/265	7.3 (4.4–10.1)	0
Perioperative morbidity	34/225	13.4 (8.9–17.9)	15
Perioperative ICH	18/245	7.0 (4.1–9.9)	0
Early rebleeding	17/242	8.3 (5.0–11.5)	0
Retreatment	49/259	17.1 (111.9–22.3)	38
Mid- to long-term occlusion	196/263	74.0 (65.5–82.5)	72
Mid- to long-term good neurologic outcome	200/259	76.1 (68.5–83.7)	68