Table 1.
Variable | Number (%) |
---|---|
Patients | 118 |
Age at transplant, years | |
≤ 5 | 30 (25) |
6 – 10 | 38 (32) |
11 – 18 | 50 (43) |
Male | 70 (59) |
Performance score prior to transplantation | |
< 90% | 20 (17) |
90% – 100% | 91 (77) |
Not reported | 7 (6) |
MDS classification (EWOG – MDS) | |
Refractory cytopenia | 46 (39) |
Refractory anemia with excess blastsa | 55 (47) |
Refractory anemia with excess blasts in transformationa | 17 (14) |
Interval from diagnosis to transplant, months | |
≤ 6 | 57 (48) |
7 – 12 | 31 (26) |
> 12 | 30 (26) |
Cytogenetics | |
Normal karyotype | 27 (23) |
Monosomy 7 ± other abnormalities | 39 (33) |
Complex karyotype (≥ 3 abnormalities) | 18 (15) |
Other karyotypes | 19 (16) |
Not reported | 15 (13) |
Conditioning regimen | |
Total body irradiation + cyclophosphamide | 80 (68) |
Total body irradiation + other | 3 (3) |
Busulfan + cyclophosphamide | 30 (25) |
Busulfan + other | 4 (3) |
Melphalan + other | 1 (1) |
Characteristics of patients | N (%) |
---|---|
Graft-versus-host disease prophylaxis | |
T-cell depletion | 39 (33) |
Cyclosporine alone | 7 (6) |
Cyclosporine + methotrexate | 62 (52) |
Tacrolimus + alone | 1 (1) |
Tacrolimus + methotrexate | 9 (8) |
Donor-recipient sex match | |
Male donor – male recipient | 44 (37) |
Male donor – female recipient | 17 (14) |
Female donor – male recipient | 26 (22) |
Female donor – female recipient | 31 (26) |
Donor-recipient HLA match | |
Matched at HLA A, B, C, DRB1 | 36 (31) |
Mismatched at one or two-loci | 82 (69) |
Donor-recipient cytomegalovirus serostatus | |
Donor(−) - recipient(−) | 43 (36) |
Donor(−) - recipient(+) | 19 (16) |
Donor(+) - recipient(−) | 30 (26) |
Donor(+) - recipient(+) | 23 (19) |
Unknown | 3 (3) |
Year of transplant | |
1990–1994 | 22 (19) |
1995–1999 | 63 (53) |
2000–2005 | 33 (28) |
Median (range) follow-up of survivors, months | 92 (3 – 195) |
RC at diagnosis and progressed to RAEB prior to transplant: n=6; RAEB at diagnosis and progressed to RAEB-t prior to transplant: n=7