Kaplan-Meier plots of progression-free survival (PFS) by caseload and type of center. Median follow-up, 6.7 years.
a) PFS by caseload (at 5 years). Centers with < 50 pts.: 78.7%, 95% confidence interval (CI) 76%-81% (870 patients). Centers with ≥ 50 pts.: 78.6%, 95% CI 76%-81% (1353 patients).
b) PFS by type of center (at 5 years). University hospital: 77.7%, 95% CI 75%-80% (1060 patients). Non-university hospital: 79.4%, 95% CI 77%–82% (1000 patients). Hematology-oncology practice: 79.8%, 95% CI 72%-85% (163 patients).