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About this Publication
Prediagnostic BMI and thyroid cancer incidence in the PLCO trial.
Pubmed ID
31646903 (View this publication on the PubMed website)
Digital Object Identifier
Future Oncol. 2019 Oct; Volume 15 (Issue 30): Pages 3451-3456

Abdel-Rahman O


Aim: To assess the correlation between prediagnostic BMI and thyroid cancer risk within the prostate, lung, colorectal and ovary (PLCO) trial. Methods: PLCO trial participants without a history of thyroid cancer before study enrollment who have complete information about prediagnostic BMI were included. Multivariable Cox regression analyses were conducted to assess the impact of prediagnostic BMI on thyroid cancer risk. Results: Higher BMI at the time of the study enrollment was associated with a higher thyroid cancer risk (hazard ratio: 1.046; p < 0.01). Furthermore, compared with a normal to normal prediagnostic BMI trajectory, both normal to overweight as well as normal to obese trajectories were associated with a higher thyroid cancer risk (p = 0.04 and p = 0.03, respectively). Conclusion: Higher BMI at the time of study entry as well as an increasing prediagnostic BMI trajectory are associated with a higher thyroid cancer risk.

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