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Patient flow. The intention-to-treat analysis included 121 patients in the intervention arm and 120 patients in the control arm. For the modified intention-to-treat analysis, only those patients having an adequate 1-year surveillance biopsy were included (intervention arm [n=102], control arm [n=99]). Finally, the per-protocol analysis included 82 patients in the intervention arm and 93 patients in the control arm.
