Evidence map›Paper›PMID 31749978›Full record

ArticleBMJ open gastroenterology2019

Competing mortality risks analysis of prediagnostic lifestyle and dietary factors in colorectal cancer survival: the Norwegian Women and Cancer Study.

Sunday Oluwafemi Oyeyemi, Tonje Braaten, Guri Skeie, Kristin Benjaminsen Borch

Abstract read
In one paragraph

Article in BMJ open gastroenterology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 pooled it
–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

6 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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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

4 authors.

Sunday Oluwafemi OyeyemiCommunity Medicine, UiT The Arctic University of Norway, Tromso, Norway.ORCID 0000-0002-5689-5152
Tonje BraatenCommunity Medicine, UiT The Arctic University of Norway, Tromso, Norway.
Guri SkeieCommunity Medicine, UiT The Arctic University of Norway, Tromso, Norway.
Kristin Benjaminsen BorchCommunity Medicine, UiT The Arctic University of Norway, Tromso, Norway.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIt remains unclear whether or which prediagnostic lifestyle and dietary factors influence colorectal cancer (CRC) survival following diagnosis. This study used competing mortality risks analysis to evaluate the association between these factors and CRC survival.

methodsA total of 96 889 cancer-free participants of the Norwegian Women and Cancer Study completed the study's baseline questionnaire on lifestyle and dietary factors between 1996 and 2004. Of the 1861 women who subsequently developed CRC, 550 had CRC as the cause of death, while 110 had a non-CRC cause of death. We used multiple imputation to handle missing data. We performed multivariable competing mortality risks analyses to determine the associations between prediagnostic lifestyle and dietary factors and CRC survival. Cause-specific HRs were estimated by Cox regression and subdistribution HRs were estimated by the Fine-Gray regression with corresponding 95% CIs.

resultsFollowing multivariable adjustment, a prediagnostic vitamin D intake of >10 μg/day compared with ≤10 μg/day was associated with better CRC survival (HR=0.75, 95% CI 0.61 to 0.92). Other prediagnostic lifestyle and dietary factors showed no association with CRC survival. The corresponding results obtained from cause-specific Cox and Fine-Gray regressions were similar.

conclusionOur study shows that prediagnostic vitamin D intake could improve CRC survival.

Indexed as

colorectal cancerdietlifestyleprediagnosissurvivalvitamin D

Identifiers

PMID31749978
PMCPMC6827763

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