Table 3.

Sensitivity, specificity, positive predictive value, negative predictive value, and concordance between the agar plate culture and other diagnostic tests used in this study

Diagnostic tests	Sensitivity%	Specificity%	PPV%	NPV%	Concordance
DSE	37.5	100	100	98.3	0.539
FECT	50	100	100	98.6	0.661
BFT	75	100	100	99.3	0.854
ELISA	100	93.8	30.8	100	0.448

DSE direct smear examination, FECT formalin-ether concentration technique, BFT Baermann funnel technique; ELISA enzyme-linked immunosorbent assay, PPV positive predictive value; NPV negative predictive value