Number of serious complications per patient in the three treatment groups
| One serious complication | Two serious complications | Total No of serious complications | Total No of patients | |
| Alternative donor (n=39) | 13 | 4 | 21 | 17 (p=0.0010)3-150 |
| High risk leukaemia (n=49) | 11 | 2 | 15 | 13 (p=0.089)3-150 |
| Standard risk leukaemia ( n=53) | 6 | 0 | 6 | 6 |
↵3-150 p Values of the comparison with the standard risk group.