A comparative evaluation of the performance of commercially available rapid immunochromatographic tests for the diagnosis of visceral leishmaniasis in Bangladesh

Table 5 Agreement between RDT result on blood versus serum in fresh and stored samples

Blood vs Serum^a	Agreement index (Cohen’s kappa) with 95 % CI
Blood vs Serum^a	Fresh	Stored
Kalazar Detect™	100	95.2 (88.39–100)
Signal®KA	97.6 (92.7–100)	100
Crystal®KA	100	100
Onsite leishmania Ab (Rev A)	97.7 (93.2–100)	-
Onsite leishmania Ab (Rev B)	69 (54–84)	-

^aWe didn’t perform RDT on stored blood for Rev A and Rev B following manufacturer’s instruction to avoid performing test on stored blood sample. That is why some kappa values are missing

ISSN: 1756-3305