Investigating Frailty, Polypharmacy, Malnutrition, Chronic Conditions, and Quality of Life in Older Adults: Large Population-Based Study

Yunmei Liu   ^{1 *} , PhD ;   Lei Huang   ^{2, 3 *} , MD, PhD ;   Fei Hu   ⁴ , MD ;   Xiuwen Zhang   ^{4, 5} , MD, PhD

¹ School of Cultural Heritage and Information Management, Shanghai University, Shanghai, China

² Department of Gastroenterology, National Clinical Research Center for Digestive Diseases, Shanghai Institute of Pancreatic Diseases, The First Affiliated Hospital of Naval Medical University/Changhai Hospital, Naval Medical University, Shanghai, China

³ National Key Laboratory of Immunity and Inflammation, Changhai Clinical Research Unit, The First Affiliated Hospital of Naval Medical University/Changhai Hospital, Naval Medical University, Shanghai, China

⁴ Department of General Surgery, Feidong People’s Hospital, East District of the First Affiliated Hospital of Anhui Medical University, Hefei, China

⁵ School of Clinical Medicine, Anhui Medical University, Hefei, China

*these authors contributed equally