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Published on: April 6, 2021
Clinical Test Performance of a Rapid Point-of-Care Syphilis Treponemal Antibody Test: A Systematic Review and
Claire C Bristow1, Jeffrey D Klausner2, Anthony Tran3
1Division of Infectious Diseases and Global Public Health, University of California, San Diego, San Diego, California, USA.
Abstract:
We reviewed relevant syphilis diagnostic literature and conducted a meta-analysis to address the question, "What is the sensitivity and specificity of the Syphilis Health Check, a rapid qualitative test for the detection of human antibodies to Treponema pallidum." The Syphilis Health Check is the only rapid syphilis test currently cleared by the Food and Drug Administration (FDA). We conducted a systematic review and a meta-analysis using Bayesian bivariate random-effects and fixed-effect models to create pooled estimates of sensitivity and specificity of the Syphilis Health Check. We identified 5 test evaluations published in the literature and 10 studies submitted to the FDA and for a Clinical Laboratory Improvement Amendments waiver application. The pooled sensitivity (95% CI) from the laboratory evaluations (n = 5) was 98.5% (92.1-100%), while pooled specificity was 95.9% (81.5-100.0%). The pooled sensitivity for prospective studies (n = 10) was 87.7% ( 71.8-97.2%), while pooled specificity was 96.7% (91.9-99.2%). Using nontreponemal supplemental testing, the sensitivity improved to a pooled sensitivity of 97.0% (94.8-98.6%). The Syphilis Health Check may provide accurate detection of treponemal antibody.
