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. 2000;8(5-6):248-57.
doi: 10.1155/S1064744900000375.

Systematic review of diagnostic tests for vaginal trichomoniasis

S R Patel  1 , W Wiese, S C Patel, C Ohl, J C Byrd, C A Estrada
Affiliations

Systematic review of diagnostic tests for vaginal trichomoniasis

S R Patel et al. Infect Dis Obstet Gynecol. 2000.

Abstract

Objective: To review critically and to summarize the evidence of diagnostic tests and culture media for the diagnosis of Trichomonas vaginitis.

Methods: We performed a systematic review of literature indexed in MEDLINE of studies that used Trichomonas culture as the reference standard (9,882 patients, 35 studies). Level I studies (5,047 patients, 13 studies) fulfilled at least two of three criteria: 1) consecutive patients were evaluated prospectively, 2) decision to culture was not influenced by test results, and 3) there was independent and blind comparison to culture.

Results: The sensitivity of the polymerase chain reaction technique (PCR) was 95% (95% CI 91% to 99%), and the specificity was 98% (95% CI 96% to 100%). One study was classified as Level I evidence (52 patients). The sensitivity of the enzyme-linked immunosorbent assay was 82% (95% CI 74% to 90%), and the specificity was 73% (95% CI 35% to 100%). The sensitivity of the direct fluorescence antibody was 85% (95% CI 79% to 90%), and the specificity was 99% (95% CI 98% to 100%). Sensitivities of culture media were 95% for Diamond's, 96% for Hollander, and 95% for CPLM.

Conclusions: The sensitivity and specificity of tests to diagnose trichomoniasis vary widely.

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