Evidence map›Paper›PMID 26996776›Full record

ArticleBMC cancer2016

Hair dye use, regular exercise, and the risk and prognosis of prostate cancer: multicenter case-control and case-only studies.

Shu-Yu Tai, Hui-Min Hsieh, Shu-Pin Huang, Ming-Tsang Wu

Abstract readMulticenter Study
In one paragraph

Article in BMC cancer, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

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

  1. Pooled it
  2. Review
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  4. Review
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  11. Preparation and Application of Carboxylated Graphene Oxide Sponge in Dye Removal.International journal of environmental research and public health · 2017
    Article
  12. Article
  13. Effects of exercise training on breast cancer metastasis in a rat model.International journal of experimental pathology · 2017
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors.

Shu-Yu TaiGraduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, R.O.C, Taiwan.
Hui-Min HsiehDepartment of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, R.O.C, Taiwan.
Shu-Pin HuangDepartment of Urology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, R.O.C, Taiwan. shpihu@yahoo.com.tw.
Ming-Tsang WuDepartment of Family Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, R.O.C, Taiwan. 960021@ms.kmuh.org.tw.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThis study investigated the effects that hair dye use and regular exercise exert on the risk and prognosis of prostate cancer.

methodsWe studied 296 cases of histologically confirmed prostate cancer and 296 age- (in 2-y bands), ethnicity-, and hospital-matched controls in Taiwan between August 2000 and December 2008. To determine the rate of prostate cancer survival, another 608 incident prostate cancer cases occurring between August 2000 and December 2007 were investigated. Information on hair dye use and regular exercise was obtained using a standardized questionnaire.

resultsThe use of hair dyes was associated with a significant 2.15-fold odds of developing prostate cancer (adjusted odds ratio = 2.15, 95% confidence interval [CI] = 1.32-3.57), but was not associated with prostate cancer survival, compared with no use. The significant risks were more prominent in users aged < 60 years who had used hair dyes for > 10 years, > 6 times per year, and started using hair dyes before 1980. By contrast, regular exercise significantly reduced the number of prostate-cancer-specific death (adjusted hazard ratio = 0.37, 95% CI = 0.16-0.83); the protective effect of exercise was more prominent among cancer patients who exercised daily (≥ 7 times/week). However, exercise could not prevent the development of prostate cancer.

conclusionsHair dye use increased the risk of prostate cancer, whereas regular exercise reduced the number of prostate-cancer-specific deaths.

Indexed as

Exercise TherapyPrognosisAgedAged, 80 and overCase-Control StudiesHair DyesHumansMaleMiddle AgedProstatic NeoplasmsRisk FactorsTaiwanHair DyesCase–control studyHair dyeProstate cancerRegular exerciseRiskSurvival

Identifiers

PMID26996776
PMCPMC4800765

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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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.