Infections in international pregnancy study: performance of the optical immunoassay test for detection of group B streptococcus |
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| Authors: | Thinkhamrop Jadsada Limpongsanurak Sompop Festin Mario R Daly Sean Schuchat Anne Lumbiganon Pisake Zell Elizabeth Chipato Tsungai Win Aye Aye Perilla Mindy J Tolosa Jorge E Whitney Cynthia G |
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| Affiliation: | Department of Obstetrics and Gynecology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Bangkok, Thailand. Jadsada@kku.ac.th |
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| Abstract: | We evaluated the Strep B optical immunoassay (OIA; ThermoBiostar, Inc.) for detecting light and heavy group B streptococcus colonization in 1,306 pregnant women. The women were examined at 20 to 32 weeks gestation and were from six countries. Compared to culture, the sensitivity and specificity of OIA were 13.3 and 98.4%, respectively, for light colonization and 41.5 and 97.7%, respectively, for heavy colonization. |
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