Antibody tests in streptococcal pharyngitis. Streptozyme versus conventional methods

I. Ofek, O. Kaplan, S. Bergner-Rabinowitz, L. Hornstein, A. Lapid, A. M. Davies

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Antibody response to streptococcal antigens was measured by three conventional methods (ASO, AH, and ANADG) and by the new streptozyme test. Compared to the others, the streptozyme test showed a sensitivity of 73% and a specificity of 90%. It also detected additional cases missed by the other methods. In addition, the streptozyme test showed antibody rise earlier, after 6 to 9 days in half of the cases. Thus, the streptozyme test is more sensitive and no less specific than any individual test and reveals antistreptococcal antibody rise earlier. These properties, together with its ease of performance and reproducibility, seem to make it the test of choice for estimation of antibody response to streptococcal infection in all circumstances where the performance of a battery of tests is impractical.

Original languageEnglish
Pages (from-to)341-344
Number of pages4
JournalUnknown Journal
Volume12
Issue number6
DOIs
StatePublished - 1973
Externally publishedYes

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