Agreement of the ELISA and the indirect hemagglutination tests in the diagnosis of swine toxoplasmosis

A. Francisco Suárez, Heitor Andrade, Andrés Galisteo, Omar Miguel

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Abstract

© 2002 Universidad Nacional Mayor de San Marcos. All rights reserved. The study aimed to estimate the level of agreement between two serological diagnosis tests for toxoplasmosis in swine. The ELISA and the Indirect Hemagglutination Test were evaluated using blood sera collected in slaughterhouses from 303 pigs in Sao Paulo, Brazil and 93 pigs in Lima, Peru. The Kappa coefficient of agreement on the Brazilian sera was 26.0% and the confidence interval at 95% were 7.7 - 44.3% (P <0.05), whereas on the Peruvian sera was 36.6% and the confidence interval at 95% were 18.0 - 55.3% (P <0.01). Besides this, when considering the ELISA test as the reference test, the Indirect Hemagglutination Test had a co-positive reaction of 48.3% and a co-negative reaction of 86.5% in the Brazilian sera, and a co-positive reaction of 80.6% and a co-negative reaction of 61.3% in the Peruvian sera.
Original languageAmerican English
Pages (from-to)84-86
Number of pages3
JournalRevista de Investigaciones Veterinarias del Peru
StatePublished - 1 Jan 2002

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