Type 2 Diabetes Mellitus Increases Peritonsillar Abscess Susceptibility: Real-World Evidence.

"CONFLICT OF INTEREST: No potential conflict of interest relevant to this article was reported."

"This research was funded by Chiayi Chang Gung Memorial Hospital research projects (grant no. CFRPG6J0081). AUTHOR CONTRIBUTIONS: Conceptualization: GHC, MST. Data curation: CYL, YHY. Formal analysis: CYL, YHY. Funding acquisition: GHC. Methodology: GHC, YHY. Project administration: CLW, MST, YTT, CMH. Visualization: CMH, CYW, TJL. Writing–original draft: CLW, MST. Writing–review & editing: GHC, YTW, PJC, TJL, CMH, YTT, CYW."

"Data used in this research were extracted from a representative subset of NHIRD called the Longitudinal Health Insurance Database 2000 (LHID2000) [], containing medical data of 1 million insurants selected from the 2000 registry of all NHI enrollees randomly through a systematic sampling method. LHID2000 contains all claims data of these enrollees from over 1997 to 2013. According to a National Health Research Institutes report, the differences in the age, sex, or health care costs of the enrollees in LHID2000 and those of all concurrent NHI enrollees are nonsignificant []."