Background: Elderly patients with stage I NSCLC who undergo surgical resection are at high risk of treatment-related toxicity. Stereotactic body radiation therapy (SBRT) may provide an alternative treatment with a favorable toxicity profile.
Methods: A population-based registry in North-Holland was used to conduct a matched-pair analysis of overall survival (OS) after surgery versus SBRT for elderly patients (age ⩾75) who were diagnosed between 2005 and 2007. Patients were matched by age, stage, gender, and treatment year; co-morbidity data was not available. SBRT was delivered at two centers; 17 centers provided surgery.
Results: A total of 120 patients could be matched (60 surgery, 60 SBRT). Median age was 79years, 67% were male, and 64% had T1 disease. Median follow-up was 43months. Thirty-day mortality was 8.3% after surgery and 1.7% after SBRT. OS at one- and three-years was 75% and 60% after surgery, and 87% and 42% after SBRT, respectively (log-rank p=0.22). Limiting the analysis to SBRT patients with pathological confirmation of disease and their matches revealed no significant difference between groups.
Conclusion: Similar OS outcomes are achieved with surgery or SBRT for stage I NSCLC in elderly patients. Comorbidity data and outcomes from centralized surgical programs are needed for more robust conclusions.
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