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Low positivity rate after systematic screening for Trichomonas vaginalis in three patient cohorts from general practitioners, STI clinic and a national population-based chlamydia screening study
  1. Tanja H Geelen1,
  2. Christian J P A Hoebe1,2,
  3. Anne Dirks1,2,
  4. Nicole H T M Dukers-Muijrers1,2,
  5. Jan E A M van Bergen3,
  6. Petra F G Wolffs1
  1. 1Department of Medical Microbiology, CAPHRI, Maastricht University Medical Center, Maastricht, The Netherlands
  2. 2Department of Sexual Health, Infectious Diseases and Environmental Health, Public Health Service, South Limburg, Geleen, The Netherlands
  3. 3STI AIDS Netherlands, Amsterdam, The Netherlands
  1. Correspondence to Dr Petra Wolffs, Department of Medical Microbiology, CAPHRI, Maastricht University Medical Centre, PO Box 5800, Maastricht 6202 AZ, The Netherlands; P.Wolffs{at}mumc.nl

Abstract

Objective The goal of this multi-cohort study is to investigate the positivity rate of Trichomonas vaginalis (TV) among three distinct Dutch patient populations and its relation with Chlamydia trachomatis (CT) positivity. Few studies have been performed in Europe where TV positivity rate seems to be low. Additionally, the majority of earlier studies have focused on high risk or specific populations.

Methods A random selection of men and women from a national population-based chlamydia screening, attendees of a sexually transmitted infections (STI) clinic and a non-selected population from general practitioners (GPs) were systematically screened for TV and CT using PCR. The associations among TV and CT co-infection, age and gender were studied.

Results A total of 2079 individuals were studied. A TV positivity rate of 1.5% was observed in the medium risk GP cohort followed by 0.7% in the low risk population-based cohort and 0.6% in the high risk STI clinic. TV was found in 0.7% of CT positives and a similar 1.1% among CT negatives. All TV positive individuals in this study were women.

Conclusions The positivity rate of TV was low (<2%) and comparable in all three populations studied. We found no association between TV and CT infection.

  • Trichomonas
  • Chlamydia Trachomatis
  • Pcr
  • Epidemiology (CLINICAL)

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