Fig. 2

Kaplan–Meier curves for event-free survival (EFS) and overall survival (OS). EFS and OS were assessed in arm A (a, c) and arm B (b, d) in the full analysis population
Kaplan–Meier curves for event-free survival (EFS) and overall survival (OS). EFS and OS were assessed in arm A (a, c) and arm B (b, d) in the full analysis population