Cancer risk among patients with type 2 diabetes: A real-world study in Shanghai, China.

Background: The aim of this study was to investigate the risk of 23 common types of cancer among patients with type 2 diabetes (T2D) compared with the general Chinese population.

Methods: Based on the Shanghai Hospital Link database, 410 191 patients with T2D (age 20-99 years) were identified from July 2013 to December 2016, and were followed-up for cancer incidence until December 2017.

Results: In all, 8485 cases of newly diagnosed cancer were identified.