Comorbidity assessment methods and their significance in predicting the results of treatment of older patients undergoing elective abdominal surgeries for cancer - A scoping review.

Introduction: The scoping review was performed to identify methods of comorbidity assessment and to evaluate their significance in predicting the results of treatment of older patients undergoing elective abdominal surgeries for cancer.

Materials And Methods: Ovid MEDLINE, Embase, CENTRAL, Web of Science, ClinicalTrials.gov and European Trials Register were searched for eligible studies investigating the impact of comorbidity on various postoperative outcomes of patients aged ≥65.