Fatty Liver and Risk of Head and Neck Cancer in Type 2 Diabetes Mellitus: A Nationwide Cohort Study

Junhee Park, Kyungdo Han, Seung Woo Lee, Yeong Jeong Jeon, Sang Man Jin, Wonyoung Jung, Yoon Kyoung So, Sang Duk Hong, Dong Wook Shin

Research output: Contribution to journalArticlepeer-review

Abstract

This study is aimed at investigating the association between NAFLD and the risk of HNC separately based on cancer site using a large population-based cohort of patients with T2DM. The data used in this population-based retrospective cohort study were provided by the Korean National Health Insurance Service. The Cox proportional hazards model was used to estimate multivariable adjusted hazard ratios and 95% CIs for the association of the fatty liver index (FLI) and the risk of HNC. During the mean 6.9 years of follow-up, approximately 25.4% of the study cohort had NAFLD, defined as an FLI ≥60. A total of 3543 HNC cases were identified. Overall, patients with a higher FLI had a significantly higher risk of HNC in the oral cavity, pharynx, and larynx compared with patients with an FLI <30. An association was not observed between salivary gland cancer and FLI. There was no association between obesity and HNC. However, obese patients showed a lower risk of cancer for the oral cavity (p = 0.040), pharynx (p = 0.009), and larynx (p < 0.001) than non-obese patients with the same FLI level. Neither obesity nor smoking affected the association between FLI- and HNC-risk in stratified analyses. In T2DM patients, NAFLD was associated with an increased risk of developing HNC in the oral cavity, pharynx, and larynx, but not in the salivary gland.

Original languageEnglish
Article number1209
JournalCancers
Volume15
Issue number4
DOIs
StatePublished - Feb 2023

Keywords

  • diabetes mellitus
  • fatty liver index
  • head and neck cancer
  • non-alcoholic fatty liver disease
  • squamous cell carcinoma

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