Evidence map›Paper›PMID 31728790›Full record

ArticleDigestive diseases and sciences2020

Prevalence of Helicobacter pylori Positive Non-cardia Gastric Adenocarcinoma Is Low and Decreasing in a US Population.

Theresa H Nguyen, Niharika Mallepally, Tariq Hammad, Yan Liu, Aaron P Thrift, Hashem B El-Serag, Mimi C Tan

Open access · greenAbstract read
In one paragraph

Article in Digestive diseases and sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 1 pooled it
3.8field-weighted citation impact, top 7% 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

15 citing papers in PubMed, 1 synthesis or guideline pooled it, 31 citations in OpenAlex.

  1. Prevalence ofFrontiers in oncology · 2022
    Pooled it
  2. Gastric cancer in patients withWorld journal of gastrointestinal oncology · 2025
    Article
  3. Review
  4. Article
  5. Review
  6. Article
  7. The Gastric Cancer Registry: A Genomic Translational Resource for Multidisciplinary Research in Gastric Cancer.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2022
    Article
  8. Cancer Epidemiology in Hispanic Populations: What Have We Learned and Where Do We Need to Make Progress?Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2022
    Review
  9. The Role of Gut Microbiota in Gastrointestinal Tract Cancers.Archivum immunologiae et therapiae experimentalis · 2022
    Review
  10. An Overview ofMicroorganisms · 2021
    Review
  11. Article
  12. Associations of theBiomedical reports · 2021
    Article
  13. Two Distinct Etiologies of Gastric Cancer: Infection and Autoimmunity.Frontiers in cell and developmental biology · 2021
    Review
  14. Review
  15. A Predictive Nomogram for Early Mortality in Stage IV Gastric Cancer.Medical science monitor : international medical journal of experimental and clinical research · 2020
    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

7 authors at 2 institutions in 1 country.

Theresa H NguyenSection of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, MS: BCM 285, Houston, TX, 77030-3498, USA.
Niharika MallepallySection of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, MS: BCM 285, Houston, TX, 77030-3498, USA.
Tariq HammadSection of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, MS: BCM 285, Houston, TX, 77030-3498, USA.
Yan LiuSection of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, MS: BCM 285, Houston, TX, 77030-3498, USA.
Aaron P ThriftSection of Epidemiology and Population Sciences, Department of Medicine, Baylor College of Medicine, Houston, TX, USA.
Hashem B El-SeragSection of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, MS: BCM 285, Houston, TX, 77030-3498, USA.
Mimi C TanSection of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, MS: BCM 285, Houston, TX, 77030-3498, USA. mc2@bcm.edu.ORCID 0000-0001-6113-4780
Baylor College of Medicine · USMichael E. DeBakey VA Medical Center · US

Funding

Tissue Analysis & Molecular Imaging CoreP30DK056338 · NIDDK · BAYLOR COLLEGE OF MEDICINE · PI Geoffrey A Preidis · 2001 to 2026
$28.3M
Research Training in GastroenterologyT32DK083266 · NIDDK · BAYLOR COLLEGE OF MEDICINE · PI Hashem B El-Serag, FASIHA KANWAL · 2010 to 2026
$2.3M
Health Services Research and Development CIN 13-413NIDDK NIH HHS P30 DK056338NIDDK NIH HHS T32 DK083266
6 · The paper itself

Abstract

backgroundHelicobacter pylori infection is an established causal factor for non-cardia gastric cancer. H. pylori negative gastric cancer prevalence among US patients is unclear.

methodsThis retrospective cohort study examined H. pylori prevalence among consecutive patients with incident non-cardia gastric adenocarcinoma at the Houston VA Hospital (11/2007-10/2018). H. pylori positivity was defined by H. pylori on histopathology, positive antibody serology, stool antigen, or urea breath testing. We examined for trends in H. pylori negative gastric cancer based on year of diagnosis. Associations between histopathologic and cancer-related outcomes with H. pylori positivity were determined using regression models.

resultsOf 91 patients with gastric adenocarcinoma, most were men (N = 87, 95.6%), black (N = 47, 51.6%), with mean age at diagnosis of 68.0 years (SD 10.8). In addition to gastric cancer biopsy histopathology, 74 patients (81.3%) had ≥ 1 testing for H. pylori, including antibody serology (n = 34), non-cancer gastric biopsy histopathology (n = 63), or stool antigen (n = 1). The overall prevalence of H. pylori infection was 38.5% and 45.9% among patients with ≥ 2 H. pylori tests. The proportions of H. pylori positive gastric cancer decreased from 50.0% (2007-2010) to 43.4% (2011-2014) and 29.3% (2015-2018) (p = 0.096). Active/acute gastritis (adjOR 3.74), atrophic gastritis (adjOR 15.30), and gastric intestinal metaplasia (adjOR 3.65) were associated with H. pylori positive gastric cancer. DISCUSSION: The prevalence of H. pylori infection among patients with non-cardia gastric adenocarcinoma is relatively low (38.5-45.9%) and decreasing over time. This finding suggests there may be other important causal factors apart from H. pylori for gastric adenocarcinoma.

Indexed as

Helicobacter pyloriAdenocarcinomaAgedFemaleGastritisHelicobacter InfectionsHumansIncidenceMaleMiddle AgedPrevalenceRetrospective StudiesStomach NeoplasmsUnited StatesEpidemiologyGastric adenocarcinomaGastric cancerHelicobacter pyloriPrevalenceVeterans affairs

Identifiers

PMID31728790
PMCPMC7220821
OpenAlexW2982722605

What OpenQuestion holds

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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.