Evidence map›Paper›PMID 29486728›Full record

ArticleBMC cancer2018

Low-dose aspirin use and survival in colorectal cancer: results from a population-based cohort study.

Ronan T Gray, Helen G Coleman, Carmel Hughes, Liam J Murray, Chris R Cardwell

Open access · goldAbstract read
In one paragraph

Article in BMC cancer, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 2 pooled it
4.1field-weighted citation impact, top 6% 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

22 citing papers in PubMed, 2 syntheses or guidelines pooled it, 37 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Methodological Limitations in Aspirin-FIT Screening Research.Journal of gastroenterology and hepatology · 2026
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  16. Aspirin as a Potential Geroprotector: Experimental Data and Clinical Evidence.Advances in experimental medicine and biology · 2021
    Article
  17. Article
  18. Aspirin and the chemoprevention of cancers: A mathematical and evolutionary dynamics perspective.Wiley interdisciplinary reviews. Systems biology and medicine · 2020
    Review
  19. Review
  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

5 authors at 3 institutions in 1 country.

Ronan T GrayCancer Epidemiology and Health Services Research Group, Centre for Public Health, Queen's University Belfast, Royal Victoria Hospital, Belfast, Northern Ireland, BT12 6BA, UK. rgray05@qub.ac.uk.
Helen G ColemanCancer Epidemiology and Health Services Research Group, Centre for Public Health, Queen's University Belfast, Royal Victoria Hospital, Belfast, Northern Ireland, BT12 6BA, UK.
Carmel HughesSchool of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, Northern Ireland, BT9 7BL, UK.
Liam J MurrayCancer Epidemiology and Health Services Research Group, Centre for Public Health, Queen's University Belfast, Royal Victoria Hospital, Belfast, Northern Ireland, BT12 6BA, UK.
Chris R CardwellCancer Epidemiology and Health Services Research Group, Centre for Public Health, Queen's University Belfast, Royal Victoria Hospital, Belfast, Northern Ireland, BT12 6BA, UK.
Queen's University Belfast · GBRoyal Victoria Hospital · GBUniversity of Ulster · GB

Funding

Cancer Research UK 17592
6 · The paper itself

Abstract

backgroundAspirin has been proposed as a novel adjuvant agent in colorectal cancer (CRC). Six observational studies have reported CRC-specific survival outcomes in patients using aspirin after CRC diagnosis but the results from these studies have been conflicting. Using a population-based cohort design this study aimed to assess if low-dose aspirin use after diagnosis reduced CRC-specific mortality.

methodsA cohort of 8391 patients with Dukes' A-C CRC (2009-2012) was identified from the Scottish Cancer Registry and linked to national prescribing and death records. Adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) for CRC-specific mortality were calculated using time-dependent Cox regression.

resultsThere were 1064 CRC-specific deaths after a median follow-up of 3.6 years. Post-diagnostic low-dose aspirin use was not associated with a reduction in CRC-specific mortality either before or after adjustment for confounders (adjusted HR = 1.17, 95% CI 1.00-1.36). In sensitivity analysis pre-diagnostic low-dose aspirin was also not associated with reduced CRC-specific mortality (adjusted HR = 0.96, 95% CI 0.88-1.05).

conclusionLow-dose aspirin use, either before or after diagnosis, did not prolong survival in this population-based CRC cohort.

Indexed as

AgedAged, 80 and overAspirinCohort StudiesColorectal NeoplasmsDisease-Free SurvivalFemaleHumansMaleMiddle AgedProportional Hazards ModelsScotlandAspirinAspirinColorectal cancerPharmaco-epidemiologySurvival

Identifiers

PMID29486728
PMCPMC6389196
OpenAlexW2788969885

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.