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

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

Blood vs Seruma

Agreement index (Cohen’s kappa) with 95 % CI

Fresh

Stored

Kalazar Detectâ„¢

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)

-

  1. 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