Postoperative radiation performed at the same surgical facility associated with improved overall survival in oral cavity squamous cell carcinoma

Abstract

Background

The purpose of this analysis is to evaluate whether postoperative radiotherapy (PORT) at the same facility as surgery portends to better survival outcomes compared to PORT given at a different facility.

Methods

Patients underwent upfront surgery at the National Cancer Database reporting facility followed by PORT. PORT was coded as performed at either the same facility or at a different facility as surgery.

Results

A total of 10 832 patients were selected. Five‐year overall survival (OS) was higher in patients undergoing PORT at the same facility: 52.5% vs 48.4% (P < 0.001). PORT performed at the same facility was associated with improved OS under multivariate (HR, 0.92; P = 0.01) and propensity score matched (hazard ratio, 0.90; P = 0.004) analyses.

Conclusions

OS was better among patients with head and neck cancer who received PORT at the same facility as surgery.

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