TABLE 5.

Comparison of cost of the Crystal E/NF identification system and new rapid identification system^a

Item (cost [$] per test)	Crystal E/NF system		New rapid identification system
	No. of tests	Total cost ($)	No. of tests	Total cost ($)
Crystal E/NF system (7.69)	472	3,630	24	184
CHROMagar Orientation medium (2.21)			345	763
OIML agarb (1.04)			144	150
Modified heart infusion slant agarc (0.02)	472	11	224	5
Total	472	3,641	472	1,102

^aDuring an 8-month period. 

^bOrnithine decarboxylase and lysine decarboxylase production test. 

^cIndole production test.