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Kaplan-Meier plot for complete response (CR) of arteriovenous malformations after LINAC-based radiosurgery. Kaplan-Meier estimate probability for CR at 3 years was 62% (95% CI: 0.50, 0.74). Median Kaplan-Meier estimate to achievement of CR was 3.0 years (95% CI: 2.08, 3.17). Of patients who did not achieve CR (n= 36), radiographic follow-up ranged from 9-193 months, with a median length of imaging follow-up of 47 months.
