Table 1:

Summary of studies evaluating the endovascular treatment of very small intracranial aneurysms

Study	No. of Patients	Patient Age Range (yr)	Sex (M/F)	IA Size (mm) (Mean)	Follow-Up (mo) (Mean)	No. of Ruptured IAs	No. of Unruptured IAs	Total No. of IAs
Suzuki et al, 2006²²	21	31–86	5:16	2.6	25	21	0	21
Nguyen et al, 2008⁴	60	24–92	–	2.7	–	60	0	60
Chen et al, 2008²³	11	26–73	8:3	2.7	5.3	10	1	11
van Rooji et al, 2009¹⁰	187	11–78	51:136	≤3	6	149	47	196
Yang et al, 2009²⁴	12	23–88	4:8	2.6	13.4	12	0	12
Brinjikji et al, 2010⁷	71	37–86	10:61	2.7	10.6	24	47	71
Pierot et al, 2010²⁵	51	–	10:41	≤3	–	0	51	51
Chae et al, 2010²⁶	30	28–81	11:19	≤3	13.3	5	26	31
Ioannidis et al, 2010¹⁵	94	27–80	27:67	≤3	23	85	12	97
Fang et al, 2010²⁷	19	38–63	5:14	2.8	14.1	20	0	20
Zang et al, 2010²⁸	11	25–55	1:10	≤3	7.4	10	1	11
Hwang et al, 2011²⁹	38	24–70	12:26	2.5	14.8	23	20	43
Hong et al, 2011³⁰	51	17–71	22:29	2.4	14	51	0	51
Iskandar and Nepper-Rasmussen, 2011³	107	–	34:73	≤3	9	87	24	111
Lu et al, 2012¹¹	46	27–83	22:24	2.5	46.7	29	23	52
Mohammadian et al, 2013³¹	21	19–72	22:18	≤3	15	21	0	21
Chung et al, 2013³²	72	–	24:48	2.8	–	72	0	72
Starke et al, 2012¹⁴	91	–	26:65	2.8	9.5	91	0	91
Li et al, 2014³³	16	33–62	7:9	1.7	7.7	16	0	16
Dalfino et al, 2014¹⁸	20	27–80	5:15	2.7	17	17	3	20
Jindal et al, 2015³⁴	12	19–70	2:10	2.25	9.25	6	6	12
Yu et al, 2015¹⁷	35	41–68	23:12	2.6	12–24	35	0	35
Total	1076					844	261	1105