Metabolic syndrome and risk of pancreatic cancer: A population‐based prospective cohort study
Abstract
Metabolic syndrome (MetS) and its components may link to pancreatic cancer risk; however, current epidemiological evidence is limited, and the potential mechanisms underlying the associations remain unclear. To investigate this, we carried out this prospective cohort study of 474 929 participants without a diagnosis of cancer based on UK Biobank dataset. MetS was defined according to the International Diabetes Federation criteria and pancreatic cancer was identified through linkage to UK cancer registries (median follow‐up time: 6.6 years). We evaluated hazard ratio (HR) and 95% confidence interval (CI) with Cox proportional hazards regression, adjusting for demography and lifestyle factors. Restricted cubic spline was performed for each MetS component to investigate their possible nonlinear associations with risk of pancreatic cancer. During 3 112 566 person‐years of follow‐up, 565 cases of pancreatic cancer were identified. Individuals with MetS (HR = 1.31, 95% CI, 1.09‐1.56), central obesity (HR = 1.24, 95% CI, 1.02‐1.50) and hyperglycemia (HR = 1.60, 95% CI, 1.31‐1.97) had increased risk of pancreatic cancer. Higher waist circumference (WC) and blood glucose were independently associated with pancreatic cancer, with no evidence against nonlinearity. Although elevated CRP (≥1.00 mg/dL) showed a positive association with the risk for pancreatic cancer, the effect was substantially increased only in participants with MetS and CRP ≥1.00 mg/dL. Our study demonstrated a…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 474 participants or records.
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