Immunodiagnosis of human hydatid disease: Where do we stand?

Table 4 Performances of antigen detection assays in immunodiagnosis of cystic echinococcosis

Antigen	No. of subjects			Test	Sensitivity (%)	Specificity (%)	Cross reaction (%)	Year	Ref.
	CE patient	Other disease	Healthy control
Urinary antigen	40	24	25	Co-A	50	89.09	12.5	2000	[62]
Serum antigen	40	24	25	Co-A	73.08	94.23	12.5	2000	[62]
Serum antigen	35	29	25	IgG ELISA	25.7	98	3.4	2009	[16]
Serum antigen	141	25	25	LAT	72	98	4	2003	[7]
Serum antigen	40	24	25	CIEP	45	100	None	1997	[80]
Urinary antigen (ucon)	40	24	25	CIEP	22.5	95.91	8.33	1997	[80]
Urinary antigen (con)	40	24	25	CIEP	47.5	95.91	None	1997	[80]

ucon: Unconcentrated; con: Concentrated; CE: Cystic echinococcosis; LAT: Latex agglutination test; Co-A: Coagglutination; CIEP: Countercurrent immunoelectrophoresis; ELISA: Enzyme-linked immunosorbent assay.