Postoperative Outcomes Among Patients Undergoing Cancer Surgery: United States versus International Medical Graduates.

OBJECTIVE

We sought to characterize postoperative outcomes among patients who underwent an oncologic operation relative to whether the treating surgeon was an international medical graduate (IMG) versus a United States medical graduate (USMG).

SUMMARY BACKGROUND DATA

IMGs comprise approximately one-quarter of the physician workforce in the United States.

METHODS

The 100% Medicare Standard Analytic Files were utilized to extract data on patients with breast, lung, hepato-pancreato-biliary (HPB), and colorectal cancer who underwent surgical resection between 2014 and 2020. Entropy balancing (EB) and multivariable regression analysis were performed to evaluate the association between postoperative outcomes among USMG and IMG surgeons.

RESULTS

Among 285,930 beneficiaries, 242,914 (85.0%) and 43,016 (15.0%) underwent surgery by a USMG and IMG surgeon, respectively. Overall, 129,576 (45.3%) individuals were male, and 168,848 (59.1%) patients had a Charlson Comorbidity Index score >2. Notably, IMG surgeons were more likely to care for racial/ethnic minority patients (14.7% vs. 12.5%) and those with a high social vulnerability index (33.3% vs. 32.1%) (all P<0.001). On multivariable analysis after EB, patients treated by an IMG surgeon were less likely to experience adverse postoperative outcomes including 90-day readmission (OR 0.89, 95%CI 0.80-0.99) and index complications (OR 0.84, 95%CI 0.74-0.95) versus USMG surgeons (all P<0.05). Patients treated by IMG versus USMG surgeons had no difference in likelihood to achieve a textbook outcome (OR 1.10, 95%CI 0.99-1.21; P=0.077).

CONCLUSIONS

Postoperative outcomes among patients treated by IMG surgeons were roughly equivalent to those of USMG surgeons. In addition, IMG surgeons were more likely to care for patients with multiple comorbidities and individuals from vulnerable communities.

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Déclaration de conflit d'intérêts

Conflicts of Interest/Disclosure: The authors declare no conflict of interest.