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Tanja Stocks

Tanja Stocks

Project manager

Tanja Stocks

Components of the metabolic syndrome and colorectal cancer risk; a prospective study


  • T. Stocks
  • A. Lukanova
  • M. Johansson
  • S. Rinaldi
  • R. Palmqvist
  • G. Hallmans
  • R. Kaaks
  • P. Stattin

Summary, in English

Objective: To examine the relation of well-known factors of the metabolic syndrome (MetS) as well as related circulating factors, with risk of colorectal cancer. Methods: We performed a case control study of 306 colorectal cancer cases and 595 matched controls nested in the Northern Sweden Health and Disease Cohort. Levels of C-peptide, glycated haemoglobin (HbA1c), leptin and adiponectin were measured in cryopreserved samples. Body mass index (BMI), systolic and diastolic blood pressure and fasting and post-load plasma glucose, had been measured in a subcohort. Conditional logistic regression was used to calculate odds ratios (OR) of disease, including risk assessments for the MetS factors: obesity (BMI>30 kg m-2), hypertension (blood pressure ≥140/90 mmHg or use of anti-hypertensive drugs) and hyperglycaemia (fasting glucose ≥6.1 mmol l-1 or post-load glucose in capillary plasma ≥8.9 mmol l-1). Results: None of the studied variables were significantly associated with risk across quartiles. Presence of obesity, hypertension and hyperglycaemia significantly increased the risk of colorectal cancer; OR for three vs null factors was 2.57 (95% Confidence Interval [CI] 1.20-5.52; P trend=0.0021), as compared to a 30 to 70% increased risk for the factors in single. Similarly, top decile levels of C-peptide, HbA1c and leptin/adiponectin ratio were associated with an increased risk; ORs for top vs deciles 1-9 were 1.56 (95% CI 0.93-2.62; P=0.090), 1.83 (95% CI 1.00-3.36; P=0.051) and 1.50 (95% CI 0.83-2.71; P=0.18), respectively. Conclusions: Our study support the view that components of the MetS increase risk of colorectal cancer, and further suggests that only very high levels of metabolic factors confer an increased risk.

Publishing year







International Journal of Obesity





Document type

Journal article


Nature Publishing Group


  • Nutrition and Dietetics
  • Endocrinology and Diabetes


  • Blood glucose
  • C-peptide
  • Colorectal neoplasms
  • Insulin resistance
  • Leptin




  • ISSN: 0307-0565