Table 1. Charateristics of Unruptured Intracranial Aneurysms.

	UIA (n=31,422)
	Clipping	Coiling	p-value
Number	13,756	17,666
Sex, female (%)	9,425 (68.5)	12,841 (72.7)	< 0.0001
Age (years)	58.0±9.6	59.0±10.8	< 0.0001
Total hospital cost (\)	7,987,179±3,855,029	10,201,645±5,001,626	< 0.0001
Hospital stay (days)	15.0±8.3	8.6±7.4	< 0.0001