Evidence map›Paper›PMID 25595320›Full record

ArticleEuropean journal of epidemiology2015

Association of coffee consumption and CYP1A2 polymorphism with risk of impaired fasting glucose in hypertensive patients.

Paolo Palatini, Elisabetta Benetti, Lucio Mos, Guido Garavelli, Adriano Mazzer, Susanna Cozzio, Claudio Fania, Edoardo Casiglia

Abstract read
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In one paragraph

Article in European journal of epidemiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
6.5field-weighted citation impact, top 3% 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

20 citing papers in PubMed, 1 synthesis or guideline pooled it, 64 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Article
  5. Review
  6. Article
  7. Review
  8. Coffee and Arterial Hypertension.Current hypertension reports · 2021
    Review
  9. Article
  10. International society of sports nutrition position stand: caffeine and exercise performance.Journal of the International Society of Sports Nutrition · 2021
    Review
  11. Review
  12. Article
  13. Review
  14. Review
  15. Review
  16. Do genetics help epidemiologists? Arterial hypertension and cardiovascular events in the light of genetic demiology.Hypertension research : official journal of the Japanese Society of Hypertension · 2018
    Article
  17. Review
  18. Review
  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

8 authors at 3 institutions in 1 country.

Paolo PalatiniDepartment of Medicine, Vascular Medicine, University of Padova, Via Giustiniani, 2, 35128, Padua, Italy, palatini@unipd.it.
Elisabetta Benetti
Lucio Mos
Guido Garavelli
Adriano Mazzer
Susanna Cozzio
Claudio Fania
Edoardo Casiglia
University of Padua · ITIstituti Ospitalieri di Cremona · ITOspedale Civile di Vittorio Veneto · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Whether and how coffee use influences glucose metabolism is still a matter for debate. We investigated whether baseline coffee consumption is longitudinally associated with risk of impaired fasting glucose in a cohort of 18-to-45 year old subjects screened for stage 1 hypertension and whether CYP1A2 polymorphism modulates this association. A total of 1,180 nondiabetic patients attending 17 hospital centers were included. Seventy-four percent of our subjects drank coffee. Among the coffee drinkers, 87% drank 1-3 cups/day (moderate drinkers), and 13% drank over 3 cups/day (heavy drinkers). Genotyping of CYP1A2 SNP was performed by real time PCR in 639 subjects. At the end of a median follow-up of 6.1 years, impaired fasting glucose was found in 24.0% of the subjects. In a multivariable Cox regression coffee use was a predictor of impaired fasting glucose at study end, with a hazard ratio (HR) of 1.3 (95% CI 0.97-1.8) in moderate coffee drinkers and of 2.3 (1.5-3.5) in heavy drinkers compared to abstainers. Among the subjects stratified by CYP1A2 genotype, heavy coffee drinkers carriers of the slow *1F allele (59%) had a higher adjusted risk of impaired fasting glucose (HR 2.8, 95% CI 1.3-5.9) compared to abstainers whereas this association was of borderline statistical significance among the homozygous for the A allele (HR 1.7, 95% CI 0.8-3.8). These data show that coffee consumption increases the risk of impaired fasting glucose in hypertension particularly among carriers of the slow CYP1A2 *1F allele.

Indexed as

AdolescentAdultBlood GlucoseCaffeineCoffeeCytochrome P-450 CYP1A2FemaleFollow-Up StudiesGenetic Predisposition to DiseaseGenotypeGlucose IntoleranceHumansHypertensionMaleMiddle AgedMultivariate AnalysisBlood GlucoseCaffeineCoffeeCYP1A2 protein, humanCytochrome P-450 CYP1A2

Identifiers

PMID25595320
OpenAlexW2033092433

What OpenQuestion holds

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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.