Diabetes mellitus as a risk factor for gastrointestinal cancers among postmenopausal women

Juhua Luo, Rowan Chlebowski, Simin Liu, Katherine A. McGlynn, Niyati Parekh, Donna L. White, Karen L. Margolis

Research output: Contribution to journalArticle

Abstract

Objectives: While diabetes has been linked to several cancers in the gastrointestinal (GI) tract, findings have been mixed for sites other than colorectal and liver cancer. We used the Women's Health Initiative (WHI) data and conducted a comprehensive assessment of associations between diabetes and GI malignancy (esophagus, stomach, liver, biliary, pancreas, colon, and rectal). Methods: A total of 145,765 postmenopausal women aged 50-79 enrolled in the WHI were followed for a mean 10.3 years. Cox proportional hazard regression models were used to estimate hazard ratios (HRs) and 95 % confidence intervals (CIs) for the association between GI cancers and diagnosed diabetes, including its duration and treatment. Results: Diabetes at enrollment was associated with increased risk of liver (HR = 2.97; 95 % CI, 1.66-5.32), pancreatic (HR = 1.62; 95 % CI, 1.15-2.30), colon (HR = 1.38; 95 % CI, 1.14-1.66), and rectal (HR = 1.87, 95 % CI: 1.22-2.85) cancer. Diabetes severity, assessed by duration or need for pharmacotherapy, appeared to have stronger links to risk of liver, pancreatic, and rectal cancer, but not colon cancer. There was no statistically significant association of diabetes with biliary, esophageal, and stomach cancers. Conclusion: Type 2 diabetes is associated with a significantly increased risk of cancers of the liver, pancreas, colon, and rectum in postmenopausal women. The suggestion that diabetes severity further increases these cancer risks requires future studies.

Original languageEnglish (US)
Pages (from-to)577-585
Number of pages9
JournalCancer Causes and Control
Volume24
Issue number3
DOIs
StatePublished - Mar 2013

Fingerprint

Gastrointestinal Neoplasms
Diabetes Mellitus
Confidence Intervals
Liver Neoplasms
Colon
Women's Health
Pancreatic Neoplasms
Colonic Neoplasms
Neoplasms
Liver
Esophageal Neoplasms
Rectal Neoplasms
Proportional Hazards Models
Rectum
Type 2 Diabetes Mellitus
Esophagus
Stomach Neoplasms
Pancreas
Colorectal Neoplasms
Stomach

Keywords

  • Biliary
  • Colon and rectal
  • Diabetes
  • Esophagus
  • Gastrointestinal cancers
  • Liver
  • Pancreas
  • Stomach

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Diabetes mellitus as a risk factor for gastrointestinal cancers among postmenopausal women. / Luo, Juhua; Chlebowski, Rowan; Liu, Simin; McGlynn, Katherine A.; Parekh, Niyati; White, Donna L.; Margolis, Karen L.

In: Cancer Causes and Control, Vol. 24, No. 3, 03.2013, p. 577-585.

Research output: Contribution to journalArticle

Luo, Juhua ; Chlebowski, Rowan ; Liu, Simin ; McGlynn, Katherine A. ; Parekh, Niyati ; White, Donna L. ; Margolis, Karen L. / Diabetes mellitus as a risk factor for gastrointestinal cancers among postmenopausal women. In: Cancer Causes and Control. 2013 ; Vol. 24, No. 3. pp. 577-585.
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