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Genital Chlamydia Prevalence in Europe and Non-European High Income Countries: Systematic Review and Meta-Analysis

Background Accurate information about the prevalence of Chlamydia trachomatis is needed to assess national prevention and control measures. Methods We systematically reviewed population-based cross-sectional studies that estimated chlamydia prevalence in European Union/European Economic Area (EU/EEA... Full description

Journal Title: PLOS One 23 January 2015
Main Author: Redmond, Sm
Other Authors: Alexander - Kisslig, K , Woodhall, Sc , Van Den Broek, Ivf , Van Bergen, J , Ward, H , Uuskula, A , Herrmann, B , Andersen, B , Gotz, Hm , Sfetcu, O , Low, N
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Public Library of Science
ID: ISSN: 1932-6203 DOI: 10.1371/journal.pone.0115753
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recordid: imperial10044/1/24606
title: Genital Chlamydia Prevalence in Europe and Non-European High Income Countries: Systematic Review and Meta-Analysis
format: Article
creator:
  • Redmond, Sm
  • Alexander - Kisslig, K
  • Woodhall, Sc
  • Van Den Broek, Ivf
  • Van Bergen, J
  • Ward, H
  • Uuskula, A
  • Herrmann, B
  • Andersen, B
  • Gotz, Hm
  • Sfetcu, O
  • Low, N
subjects:
  • Chlamydia Infections -- Analysis
  • Chlamydia -- Analysis
  • Prevalence Studies (Epidemiology) -- Analysis
ispartof: PLOS One, 23 January 2015
description: Background Accurate information about the prevalence of Chlamydia trachomatis is needed to assess national prevention and control measures. Methods We systematically reviewed population-based cross-sectional studies that estimated chlamydia prevalence in European Union/European Economic Area (EU/EEA) Member States and non-European high income countries from January 1990 to August 2012. We examined results in forest plots, explored heterogeneity using the I.sup.2 statistic, and conducted random effects meta-analysis if appropriate. Meta-regression was used to examine the relationship between study characteristics and chlamydia prevalence estimates. Results We included 25 population-based studies from 11 EU/EEA countries and 14 studies from five other high income countries. Four EU/EEA Member States reported on nationally representative surveys of sexually experienced adults aged 18-26 years (response rates 52-71%). In women, chlamydia point prevalence estimates ranged from 3.0-5.3%; the pooled average of these estimates was 3.6% (95% CI 2.4, 4.8, I.sup.2 0%). In men, estimates ranged from 2.4-7.3% (pooled average 3.5%; 95% CI 1.9, 5.2, I.sup.2 27%). Estimates in EU/EEA Member States were statistically consistent with those in other high income countries (I.sup.2 0% for women, 6% for men). There was statistical evidence of an association between survey response rate and estimated chlamydia prevalence; estimates were higher in surveys with lower response rates, (p = 0.003 in women, 0.018 in men). Conclusions Population-based surveys that estimate chlamydia prevalence are at risk of participation bias owing to low response rates. Estimates obtained in nationally representative samples of the general population of EU/EEA Member States are similar to estimates from other high income countries.
language: eng
source:
identifier: ISSN: 1932-6203 DOI: 10.1371/journal.pone.0115753
fulltext: fulltext_linktorsrc
issn:
  • 19326203
  • 1932-6203
url: Link


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titleGenital Chlamydia Prevalence in Europe and Non-European High Income Countries: Systematic Review and Meta-Analysis
creatorRedmond, Sm ; Alexander - Kisslig, K ; Woodhall, Sc ; Van Den Broek, Ivf ; Van Bergen, J ; Ward, H ; Uuskula, A ; Herrmann, B ; Andersen, B ; Gotz, Hm ; Sfetcu, O ; Low, N
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descriptionBackground Accurate information about the prevalence of Chlamydia trachomatis is needed to assess national prevention and control measures. Methods We systematically reviewed population-based cross-sectional studies that estimated chlamydia prevalence in European Union/European Economic Area (EU/EEA) Member States and non-European high income countries from January 1990 to August 2012. We examined results in forest plots, explored heterogeneity using the I.sup.2 statistic, and conducted random effects meta-analysis if appropriate. Meta-regression was used to examine the relationship between study characteristics and chlamydia prevalence estimates. Results We included 25 population-based studies from 11 EU/EEA countries and 14 studies from five other high income countries. Four EU/EEA Member States reported on nationally representative surveys of sexually experienced adults aged 18-26 years (response rates 52-71%). In women, chlamydia point prevalence estimates ranged from 3.0-5.3%; the pooled average of these estimates was 3.6% (95% CI 2.4, 4.8, I.sup.2 0%). In men, estimates ranged from 2.4-7.3% (pooled average 3.5%; 95% CI 1.9, 5.2, I.sup.2 27%). Estimates in EU/EEA Member States were statistically consistent with those in other high income countries (I.sup.2 0% for women, 6% for men). There was statistical evidence of an association between survey response rate and estimated chlamydia prevalence; estimates were higher in surveys with lower response rates, (p = 0.003 in women, 0.018 in men). Conclusions Population-based surveys that estimate chlamydia prevalence are at risk of participation bias owing to low response rates. Estimates obtained in nationally representative samples of the general population of EU/EEA Member States are similar to estimates from other high income countries.
subjectChlamydia Infections -- Analysis ; Chlamydia -- Analysis ; Prevalence Studies (Epidemiology) -- Analysis;
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