Table 2

Comparison of ELISA-3 hepatitis C virus (HCV) antibody test on individual and pooled sera from 2190 healthcare workers who conduct exposure prone procedures

		Pooled sera^2-150
		ELISA positive	ELISA negative	Total
ELISA positive/RIBA positive	5	0	5
ELISA positive/RIBA indeterminate	1	1	2
ELISA positive/RIBA negative	0	2	2
ELISA negative	2^2-160	427	429
Total	8	430	438

↵2-150 438 pools containing five sera each.
↵2-160 That is, 10 sera tested in which no individual serum was ELISA or RIBA positive.