TABLE 5.

Reliability of species differentiation at PCR laboratories

Laboratorya	Identification method(s)	No. of samples with species:		No. of false positives	% Accuracy of reported results	% of positive samples correctly identified (n = 28)
		Correctly identified	Incorrectly identified
P1	SSPb	25	2	1	89	89
P2	RFLP	20	3	0	87	71
P3	SSP	19	0	1	95	68
P4	SSP	17	0	0	100	61
P6c	SSP, RFLP	10	0	1	91	36
Avg		18.2	1	0.6	92	65

^aLaboratory P5 did not determine species. 

^bSSP, species-specific primers. 

^cEnterocytozoon bieneusi-specific primers were used exclusively.