Table 2:

Outcomes of random-effects meta-analysis

	Endovascular	I²	Surgical	I²	Multimodality	I²	P Value E vs S	P Value E vs M	P Value S vs M
Ruptured and unruptured
Complete occlusion	71.0 (56.0–83.0)	43	81.0 (61.0–92.0)	33	84.0 (72.0–91.0)	14	.09	<.01	.63
Long-term neurologic morbidity	5.0 (2.0–11.0)	0	8.0 (2.0–21.0)	0	6.0 (2.0–15.0)	0	.66	1.00	1.00
Perioperative morbidity	6.0 (3.0–13.0)	0	18.0 (8.0–35.0)	0	14.0 (8.0–24.0)	0	.03	<.01	.76
Good long-term neurologic outcome	89.0 (80.0–95.0)	0	73.0 (51.0–87.0)	21	87.0 (71.0–94.0)	0	.03	1.00	.07
Unruptured
Complete occlusion	76.0 (54.0–89.0)	0	89.0 (69.0–97.0)	50	78.0 (53.0–92.0)	9	.48	.95	.51
Long-term neurologic morbidity	10.0 (3.0–27.0)	0	11.0 (3.0–31.0)	0	10.0 (3.0–28.0)	0	.97	1.00	.95
Perioperative morbidity	10.0 (3.0–27.0)	0	18.0 (5.0–48.0)	0	21.0 (8.0–46.0)	0	.25	.45	.70
Good long-term neurologic outcome	95.0 (91.0–99.0)	55	56.0 (20.0–86.0)	0	87.0 (66.0–96.0)	0	<.01	.72	<.01
Resolution of symptoms (unruptured only)	82.0 (59.0–94.0)	0	50.0 (18.0–82.0)	48	73.0 (37.0–92.0)	0	.03	.57	.42
Ruptured
Complete occlusion	78.0 (61.0–88.0)	0	88.0 (63.0–97.0)	0	82.0 (62.0–93.0)	0	.51	.65	.63
Long-term neurologic morbidity	7.0 (3.0–19.0)	0	12.0 (3.0–37.0)	0	9.0 (3.0–28.0)	0	.95	.93	.91
Perioperative morbidity	7.0 (3.0–19.0)	0	20.0 (6.0–49.0)	0	21.0 (10.0–38.0)	0	.14	.02	.76
Good long-term neurologic outcome	87.0 (71.0–94.0)	0	73.0 (44.0–90.0)	0	88.0 (68.0–96.0)	0	.44	.84	.22