PREOP: an international study of elderly surgical oncology patients to optimize preoperative assessment

Purpose of the study: To test the predictive value of the Groningen Frailty Indicator (GFI), Vulnerable Elders Survey 13 (VES-13), timed “get up and go” and Preoperative Assessment of Cancer in Elderly (PACE) for postoperative mortality and morbidity. Method(s): International multi-center prospective cohort study. The combination of components of PACE, timed “get up and go”, the VES-13 and the GFI are administered within two weeks prior to the surgical procedure. Study population: Patients aged 70 years undergoing elective surgery for a solid tumor under general anesthesia are included. Outcome measures: Primary endpoint is 30 day morbidity and mortality. Secondary endpoints are length of h…