Evidence map›Paper›PMID 27404379›Full record

ArticlePLoS neglected tropical diseases2016

Low Prevalence of Ocular Chlamydia trachomatis Infection and Active Trachoma in the Western Division of Fiji.

Colin K Macleod, Robert Butcher, Umesh Mudaliar, Kinisimere Natutusau, Alexandre L Pavluck, Rebecca Willis, Neal Alexander, David C W Mabey, Luisa Cikamatana, Mike Kama and 3 more

Open access · goldAbstract read
In one paragraph

Article in PLoS neglected tropical diseases, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 3 pooled it
4.8field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

30 citing papers in PubMed, 3 syntheses or guidelines pooled it, 37 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Trachoma.Nature reviews. Disease primers · 2022
    Review
  10. Conjunctival Scarring, Corneal Pannus, and Herbert's Pits in Adolescent Children in Trachoma-endemic Populations of the Solomon Islands and Vanuatu.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2021
    Article
  11. Article
  12. Article
  13. Article
  14. The simplified trachoma grading system, amended.Bulletin of the World Health Organization · 2020
    Article
  15. Article
  16. Article
  17. Article
  18. The global burden of trichiasis in 2016.PLoS neglected tropical diseases · 2019
    Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors at 4 institutions in 3 countries.

Colin K MacleodClinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom.
Robert ButcherClinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom.
Umesh MudaliarOphthalmology Department, Lautoka Hospital, Lautoka, Fiji.
Kinisimere NatutusauOphthalmology Department, Lautoka Hospital, Lautoka, Fiji.
Alexandre L PavluckTaskforce for Global Health, Atlanta, Georgia, United States of America.
Rebecca WillisTaskforce for Global Health, Atlanta, Georgia, United States of America.
Neal AlexanderMRC Tropical Epidemiology Group, Department of Infectious Disease Epidemiology, Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom.
David C W MabeyClinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom.
Luisa CikamatanaOphthalmology Department, Lautoka Hospital, Lautoka, Fiji.
Mike KamaFiji Centre for Communicable Disease, Ministry of Health, Suva, Fiji.
Eric RafaiFiji Centre for Communicable Disease, Ministry of Health, Suva, Fiji.
Chrissy H RobertsClinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom.
Anthony W SolomonClinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom.
London School of Hygiene & Tropical Medicine · GBUniversity of Fiji · FJMinistry Of Health · FJThe Task Force for Global Health · US

Funding

Medical Research Council MR/K012126/1Wellcome Trust 098521Wellcome Trust 105609/Z/14/Z
6 · The paper itself

Abstract

backgroundTrachoma is the leading infectious cause of blindness and is caused by ocular infection with the bacterium Chlamydia trachomatis (Ct). While the majority of the global disease burden is found in sub-Saharan Africa, the Western Pacific Region has been identified as trachoma endemic. Population surveys carried out throughout Fiji have shown an abundance of both clinically active trachoma and trachomatous trichiasis in all divisions. This finding is at odds with the clinical experience of local healthcare workers who do not consider trachoma to be highly prevalent. We aimed to determine whether conjunctival infection with Ct could be detected in one administrative division of Fiji.

methodsA population-based survey of 2306 individuals was conducted using the Global Trachoma Mapping Project methodology. Population prevalence of active trachoma in children and trichiasis in adults was estimated using the World Health Organization simplified grading system. Conjunctival swabs were collected from 1009 children aged 1-9 years. DNA from swabs was tested for the presence of the Ct plasmid and human endogenous control.

resultsThe prevalence of active trachoma in 1-9 year olds was 3.4%. The age-adjusted prevalence was 2.8% (95% CI: 1.4-4.3%). The unadjusted prevalence of ocular Ct infection in 1-9 year-olds was 1.9% (19/1009), and the age-adjusted infection prevalence was 2.3% (95% CI: 0.4-2.5%). The median DNA load was 41 Ct plasmid copies per swab (min 20, first quartile 32, mean 6665, third quartile 161, max 86354). There was no association between current infection and follicular trachoma. No cases of trachomatous trichiasis were identified. DISCUSSION: The Western Division of Fiji has a low prevalence of clinical trachoma. Ocular Ct infections were observed, but they were predominantly low load infections and were not correlated with clinical signs. Our study data suggest that trachoma does not meet the WHO definition of a public health problem in this Division of Fiji, but the inconsistency with previous studies warrants further investigation.

Indexed as

ChildChild, PreschoolChlamydia trachomatisEyeFemaleFijiHumansInfantMalePrevalenceTrachoma

Identifiers

PMID27404379
PMCPMC4942140
OpenAlexW2474288080

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.