Evidence map›Paper›PMID 20516117›Full record

ArticleCancer research2010

Calcium intake increases risk of prostate cancer among Singapore Chinese.

Lesley M Butler, Alvin S Wong, Woon-Puay Koh, Renwei Wang, Jian-Min Yuan, Mimi C Yu

Open access · bronzeAbstract read
In one paragraph

Article in Cancer research, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed, 2 pooled it
4.9field-weighted citation impact, top 5% 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

33 citing papers in PubMed, 2 syntheses or guidelines pooled it, 64 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Genetic Polymorphisms and Antioxidant Reactions in Prostate Cancer.International journal of molecular sciences · 2026
    Review
  4. Article
  5. Review
  6. Metabolic reprogramming in prostate cancer.British journal of cancer · 2021
    Review
  7. Article
  8. Article
  9. Article
  10. Review
  11. Dietary Nutrient Patterns and Prostate Cancer Risk: A Case-Control Study from IranAsian Pacific journal of cancer prevention : APJCP · 2019
    Article
  12. Review
  13. The Epidemiology of Prostate Cancer.Cold Spring Harbor perspectives in medicine · 2018
    Review
  14. Article
  15. Dairy intake and risk of type 2 diabetes.Clinical nutrition (Edinburgh, Scotland) · 2018
    Article
  16. Article
  17. Article
  18. Article
  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

6 authors at 2 institutions in 2 countries.

Lesley M ButlerDepartment of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, Colorado 80523-1681, USA. Lesley.Butler@colostate.edu
Alvin S Wong
Woon-Puay Koh
Renwei Wang
Jian-Min Yuan
Mimi C Yu
Colorado State University · USUniversity of Minnesota · US

Funding

Prospective studies of cancer etiology and prevention in Shanghai and SingaporeR01CA144034 · NCI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI YUAN, JIAN-MIN · 2010 to 2014
$7.0M
THE SINGAPORE COHORT STUDY OF DIET AND CANCERR01CA080205 · NCI · UNIVERSITY OF SOUTHERN CALIFORNIA · PI YUAN, JIAN-MIN · 1999 to 2009
$5.3M
COHORT STUDY OF DIET AND NASOPHYARYNGEAL CANCERR01CA055069 · NCI · UNIVERSITY OF SOUTHERN CALIFORNIA · PI YU, MIMI C. · 1992 to 1992
–
ENVIRONMENTAL EXPOSURES IN CANCER ETIOLOGYR35CA053890 · NCI · UNIVERSITY OF SOUTHERN CALIFORNIA · PI YU, MIMI C. · 1992 to 1998
–
NCI NIH HHS R01 CA080205NCI NIH HHS R01 CA144034NCI NIH HHS R01CA55069NCI NIH HHS R01CA80205NCI NIH HHS R35 CA053890NCI NIH HHS R35CA53890
6 · The paper itself

Abstract

Consumption of dairy products, the primary source of calcium in Western diets, has been found to be positively associated with prostate cancer. In an Asian diet, nondairy foods are the major contributors of calcium. Thus, a study of dietary calcium and prostate cancer in Asians can better inform on whether calcium, as opposed to other dairy components, is responsible for the dairy foods-prostate cancer association. We examined calcium intake and prostate cancer risk among 27,293 men in the Singapore Chinese Health Study that was established between 1993 and 1998. As of December 31, 2007, 298 incident prostate cancer cases had been diagnosed among the cohort members. Diet was assessed at baseline with a validated 165-item food-frequency questionnaire. It is hypothesized that there is greater net absorption of calcium in smaller individuals. Therefore, the calcium-prostate cancer association was also assessed in stratified analyses by median body mass index. Vegetables were the largest contributor of daily calcium intake in the study population. Overall, we observed a modest, statistically nonsignificant 25% increase in prostate cancer risk for the 4th (median = 659 mg/d) versus 1st (median = 211 mg/d) quartiles of calcium intake after adjustment for potential confounders. The association became considerably stronger and achieved statistical significance (hazard ratio, 2.03; 95% confidence interval, 1.23-3.34; P for trend = 0.01) for men with a below median body mass index (22.9 kg/m(2)). Dietary calcium might be a risk factor for prostate cancer even at relatively low intake.

Indexed as

Calcium, DietaryAgedAsian PeopleCalciumCohort StudiesFollow-Up StudiesHumansMaleMiddle AgedProstatic NeoplasmsRisk FactorsSingaporeSurveys and QuestionnairesCalciumCalcium, Dietary

Identifiers

PMID20516117
PMCPMC4219618
OpenAlexW2163852378

What OpenQuestion holds

Textmetadata
LicenceTDM
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.