Evidence map›Paper›PMID 25192563›Full record

ArticleGut2015

Intergenerational reduction in Helicobacter pylori prevalence is similar between different ethnic groups living in a Western city.

Wouter J den Hollander, I Lisanne Holster, Bianca van Gilst, Anneke J van Vuuren, Vincent W V Jaddoe, Albert Hofman, Guillermo I Perez-Perez, Ernst J Kuipers, Henriëtte A Moll, Martin J Blaser

Abstract readMulticenter Study
In one paragraph

Article in Gut, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–field-weighted citation impact
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

11 citing papers in PubMed.

  1. The Effects of Synbiotic "Canadian journal of gastroenterology & hepatology · 2017
    Trial
  2. Article
  3. Determinants ofBMJ open · 2026
    Article
  4. Article
  5. Article
  6. Article
  7. Frontiers in microbiology · 2018
    Review
  8. Article
  9. World journal of gastroenterology · 2017
    Article
  10. Article
  11. The Generation R Study: Biobank update 2015.European journal of epidemiology · 2014
    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

10 authors.

Wouter J den HollanderDepartments of Gastroenterology and Hepatology, Erasmus University Medical Centre, Rotterdam, The Netherlands The Generation R Study Group, Erasmus University Medical Centre, Rotterdam, The Netherlands.
I Lisanne HolsterDepartments of Gastroenterology and Hepatology, Erasmus University Medical Centre, Rotterdam, The Netherlands.
Bianca van GilstDepartments of Gastroenterology and Hepatology, Erasmus University Medical Centre, Rotterdam, The Netherlands.
Anneke J van VuurenDepartments of Gastroenterology and Hepatology, Erasmus University Medical Centre, Rotterdam, The Netherlands.
Vincent W V JaddoeThe Generation R Study Group, Erasmus University Medical Centre, Rotterdam, The Netherlands Department of Pediatrics, Erasmus University Medical Centre, Rotterdam, The Netherlands Department of Epidemiology, Erasmus University Medical Centre, Rotterdam, The Netherlands.
Albert HofmanDepartment of Epidemiology, Erasmus University Medical Centre, Rotterdam, The Netherlands.
Guillermo I Perez-PerezDepartments of Medicine and Microbiology, New York University Langone Medical Centre, New York, USA.
Ernst J KuipersDepartments of Gastroenterology and Hepatology, Erasmus University Medical Centre, Rotterdam, The Netherlands Department of Internal Medicine, Erasmus University Medical Centre, Rotterdam, The Netherlands.
Henriëtte A MollDepartment of Pediatrics, Erasmus University Medical Centre, Rotterdam, The Netherlands.
Martin J BlaserDepartments of Medicine and Microbiology, New York University Langone Medical Centre, New York, USA.

Funding

Vaccine FacilityP30CA016087 · NCI · NEW YORK UNIVERSITY SCHOOL OF MEDICINE · PI ANIRBAN MAITRA · 1985 to 2026
$83.1M
Disappearing gastrointestinal microbiota in epidemic obesity.R01DK090989 · NIDDK · NEW YORK UNIVERSITY SCHOOL OF MEDICINE · PI BLASER, MARTIN J · 2010 to 2015
$7.4M
NCI NIH HHS P30 CA016087NIDDK NIH HHS R01 DK090989NIDDK NIH HHS R01DK090989
6 · The paper itself

Abstract

objectiveHelicobacter pylori colonisation rates in childhood have declined in Western populations, but it is unknown whether this trend is similar in children of non-Western ethnic backgrounds, born in a Western country. We aimed to identify H. pylori status in children, and determine mother-to-child transmission and risk factors for colonisation.

designAntibodies against H. pylori and cytotoxin-associated gene A (CagA) were measured in children participating in a population-based prospective cohort study in Rotterdam, the Netherlands. Information on demographics and characteristics was collected using questionnaires.

resultsWe analysed the serum of 4467 children (mean age 6.2 years±0.4 SD) and compared the results with the H. pylori status of their mothers (available for 3185 children). Overall, 438 (10%) children were H. pylori-positive, of whom 142 (32%) were CagA-positive. Independent risk factors for colonisation were: maternal H. pylori positivity (OR 2.12; 95% CI 1.62 to 2.77), non-Dutch ethnicity (OR 2.05; 95% CI 1.54 to 2.73), female gender (OR 1.47; 95% CI 1.20 to 1.80) and lower maternal education level (OR 1.38; 95% CI 1.06 to 1.79). Comparing mothers and children, we found an intergenerational decrease of 76% and 77% for Hp(+)CagA(-) and Hp(+)CagA(+)-strains, respectively, consistent across all nine ethnic groups studied. Male gender, higher maternal educational level and no older siblings, were independently associated with absence of H. pylori.

conclusionsAlthough the highest H. pylori and CagA prevalence was found in children of non-Dutch ethnicities, the decreased colonisation rates were uniform across all ethnic groups, implying the importance of environmental factors in H. pylori transmission in modern cities, independent of ethnicity.

Indexed as

Urban PopulationChildEthnicityFemaleFollow-Up StudiesHelicobacter InfectionsHumansMaleNetherlandsPrevalenceProspective StudiesEPIDEMIOLOGYHELICOBACTER PYLORI - EPIDEMIOLOGYHELICOBACTER PYLORI - IN CHILDREN

Identifiers

PMID25192563
PMCPMC4492887

What OpenQuestion holds

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LicenceTDM
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.