Disease-specific mortality among stage I-III colorectal cancer patients with diabetes: a large population-based analysis

LV van de Poll-Franse, HR Haak, Jan Willem Coebergh, Maryska Heijnen, Valery Lemmens

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Abstract

The aim of our study was to investigate overall and disease-specific mortality of colorectal cancer patients with diabetes. In this population-based study, we included all colorectal cancer patients, newly diagnosed with stage I-III cancer, between 1997 and 2007 in the registration area of the Eindhoven Cancer Registry. Stage of cancer, cancer treatment and comorbidities were actively collected by reviewing hospital medical records. Data on patients with and without diabetes were linked to Statistics Netherlands to assess vitality, date of death and underlying cause of death. Follow-up of all patients was completed u We included 6,974 patients with colon cancer and 3,888 patients with rectal cancer, of whom 820 (12%) and 404 (10%), respectively, had diabetes at the time of cancer diagnosis. During follow-up, death occurred in 611 (50%) of 1,224 cancer patients with diabetes and 3,817 (40%) of 9,638 cancer patients without diabetes. Multivariate Cox regression analyses, adjusted for age, sex, socioeconomic status, stage, lymph nodes examined, adjuvant therapy and year of diagnosis, showed that overall mortali Diabetes at the time of rectal cancer diagnosis was independently associated with an increased risk of colorectal cancer mortality compared with no diabetes, suggesting a specific interaction between diabetes and rectal cancer. Future in-depth studies including detailed diabetes- and cancer-related variables should elucidate pathways.
Original languageUndefined/Unknown
Pages (from-to)2163-2172
Number of pages10
JournalDiabetologia
Volume55
Issue number8
DOIs
Publication statusPublished - 2012

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