Comorbidity indices are used to help to estimate patients' length of hospital stay, care costs, outcomes, and mortality. Increasingly, they are considered in reimbursement models. The applicability of comorbidity indices to patients undergoing orthopaedic oncology surgery has not been studied. The purpose of this study was to determine the predominant comorbidities in patients undergoing orthopaedic oncology surgery and to evaluate the predictive value of these indices.
