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Background: External beam radiation therapy is an important aspect of multidisciplinary care for patients with metastatic bone disease. Referral to radiation oncology is within the control of the orthopaedic surgeon and has the potential to serve as a quality benchmark. Methods: This is a retrospective cohort study. Patients with metastatic disease of the femur who underwent prophylactic femoral stabilization or fixation of a pathologic femur fracture from 2010-2015 at a single academic medical center or within the Veterans Health Administration (VHA) were included. A total of 950 VHA patients and 130 academic medical center patients were enrolled. The main outcome was the proportion of patients receiving a referral to radiation oncology by six weeks after the date of surgery. Results are presented for each institution and are stratified by type of procedure (prophylactic stabilization versus pathologic fixation). The study further evaluates regional differences within the VHA. Results: The majority of patients received a referral for radiation after prophylactic stabilization (VHA: 290/361 patients [80% 95% CI: 76% - 84%]; academic medical center: 81/89 patients [91%, 95% CI: 85%, 97%]). The proportion referred was higher at the academic medical center (odds ratio [OR]: 2.5, 95% CI: [1.15, 5.36], P =0.027). After fracture fixation, 428/589 (73%, 95% CI: [69%, 77%]) of VHA patients and 30/41 (73%, 95% CI [59%, 87%]) of patients at the academic medical center received a referral to radiation. Receiving a referral was not associated with healthcare system (OR: 1.0; 95% CI: [0.50, 2.10])). Within the VHA, the proportion of patients referred varied by geographic location (Pearson’s chi-squared test, P =0.004 for prophylactic stabilization and P |
