Outcome at 2 years after diagnosis for the overall population before (n = 164) and after (n = 119) introduction of the parental education programme
| Before introduction of the parental education progmme (n = 164) | After introduction of the parental education progmme (n = 119) | p Value comparing the two periods | |
| Treatment refusal | 18 (11%) | 3 (3%) | 0.010 |
| Treatment abandonment | 39 (24%) | 28 (24%) | NS |
| Treatment-related death | 38 (23%) | 43 (36%) | 0.017 |
| Progressive or relapsed leukaemia | 30 (18%) | 8 (7%) | 0.005 |
| Event-free survival | 39 (24%) | 37 (31%) | NS |