Mean follow-up (mean ± SD, months)

20.44 ± 7.19

Event-free, improved, n (%)

47 (94.0%)

Clinical recurrence, n (%)

3 (6.0%)

Medical therapy, improved, n (%)

2 (4.0%)

Death, n (%)

1 (2.0%)

Continued success, n (%)

49 (98.0%)