ADL and CONUT for Predicting 1-year Mortality Risk in Older Adults After Hip Fracture

This was a single-center retrospective cohort study which were approved by the Clinical Research Ethics Committee of Beijing Tongren Hospital, Capital Medical University (TREC2023-KY026). Demographic characteristics and medical parameters, such as age, gender, body mass index (BMI), comorbidities, hemoglobin , lymphocytes, C-reactive protein (CRP), fasting blood glucose, creatinine, total protein, albumin, triglycerides, total cholesterol and American Association of Anesthesiologists (ASA) were collected from the electronic medical record system. Controlling nutritional status (CONUT) was calculated from 3 variables: serum albumin concentration, total cholesterol concentration, and lymphocyte count, as previously reported. All enrolled patients were followed-up in an outpatients setting. Survival data were obtained via direct contact with patients or patients' caregiver by their physicians at the hospital , or via telephone interview of their family by dedicated coordinators and investigators. The follow-up lasted for one year and the last follow-up was ended on December 31, 2022. All analyses were performed using SPSS version 19.0 (SPSS, Chicago, IL, USA).