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The diagnostic utility of the Standard Diagnostics . Leptospira IgM ELISA for detection of acute leptospirosis was assessed in febrile adults admitted in Vientiane, Laos. Using the cut-off suggested by the manufacturer [optical density (OD) ≥0.75], the assay demonstrated limited diagnostic capacity with a sensitivity of 95% and a specificity of 41% compared with the . Leptospira microscopic agglutination test, which is the serological gold standard. However, re-evaluation of the diagnostic cut-off to an OD of 1.7 demonstrated improved diagnostic accuracy overall (sensitivity 70%; specificity 78%). © 2012 Royal Society of Tropical Medicine and Hygiene.

Original publication

DOI

10.1016/j.trstmh.2012.06.002

Type

Journal article

Journal

Transactions of the Royal Society of Tropical Medicine and Hygiene

Publication Date

01/09/2012

Volume

106

Pages

563 - 566