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

Table 6 Agreement between RDT result on Fresh versus stored in blood and serum samples

Fresh vs Stored*	Agreement index (Cohen’s kappa) with 95 % CI
Fresh vs Stored*	Blood	Serum
Kalazar Detect™	97.6 (93–100)	94.99 (88.12–100)
Signal®KA	97.6 (92.1–100)	95.2 (88.8–100)
Crystal®KA	100	100
Onsite leishmania Ab (Rev A)	-	88.4 (78.5–98.3)
Onsite leishmania Ab (Rev B)	-	12.7 (0–35.6)

*We 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