TABLE 2:

Estimated comparative 90-day costs ($) for four aneurysms in two models

	Quadruple Model	Individual Model^a
Per animal	971.80	3387.20
90-day maintaintenance^{^b}	1080.00	4320.00
Surgery	2161.50	2161.50
Angiography	970.50	3882.00
Total	5183.80	14250.70

a Four animals, one aneurysm per animal.
b At $12/day.