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Table 1: Characteristics of the included aneurysms
Variables Balloon Used 
No Yes Total 
Mean SD Mean SD Mean SD P Value
Follow-up time point (mo) 3.1 2.2 1.8 2.4 2.3 2.4 <.001^{^a}
Neck (mm) 3.8 5.0 2.8 1.2 3.2 3.1 .105
Width (mm) 3.7 1.0 3.6 1.0 3.6 1.0 .689
Height (mm) 8.2 2.2 7.9 2.4 8.0 2.3 .371
Volume (mm³) 69.2 56.1 61.3 45.2 64.1 49.4 .676
Note:—SD, standard deviation.
↵a Statistically significant.

Variables	Balloon Used
	No		Yes		Total
	Mean	SD	Mean	SD	Mean	SD	P Value
Follow-up time point (mo)	3.1	2.2	1.8	2.4	2.3	2.4	<.001^{^a}
Neck (mm)	3.8	5.0	2.8	1.2	3.2	3.1	.105
Width (mm)	3.7	1.0	3.6	1.0	3.6	1.0	.689
Height (mm)	8.2	2.2	7.9	2.4	8.0	2.3	.371
Volume (mm³)	69.2	56.1	61.3	45.2	64.1	49.4	.676