Evaluation of an Immunoassay-Based Algorithm for Screening and Identification of Giardia and Cryptosporidium Antigens in Human Faecal Specimens from Saudi Arabia

Table 2

The diagnostic performance of the ELISA kit for Cryptosporidium and Giardia.

Genus	The diagnostic performance parameters
	Sensitivity		Specificity		PPV		NPV
	SE%	95% CI	SP%	95% CI	PPV%	95% CI	NPV%	95% CI
Giardia	100%	0.9-1.0	95.71%	0.8-0.9	94.34%	0.8-0.9	100%	0.9-1.0
Cryptosporidium	95%	0.8-0.9	95.71%	0.8-0.9	92.68%	0.8-0.9	97%	0.8-0.9