Table 2.

Comparison of sensitivity and Specificity of different method in Giardia diagnosis

Methods	Sensitivity %	Specificity %	References
Direct stool examination	34.7-55	96-100	8, 16, 68
Stool concentration	65.2-83	85-97	8, 16, 60, 67
Sucrose density gradient	42-94	97-100	8, 20
String test (Entero-Test)	44-73	97-100	9, 15, 32
Antigen detection	44-100	68-100	34, 46, 55-67
Molecular assay	58-92	56-100	51-54