Table 2.
Variable | RR | 95% CI | P |
---|---|---|---|
For recipients age 18-39 years | |||
Bone marrow graft | 1.0 | ||
Peripheral blood stem-cell graft | 1.43 | 1.14 to 1.79 | .0023 |
For recipients age 40+ years | |||
Bone marrow graft | 1.0 | ||
Peripheral blood stem-cell graft | 0.98 | 0.78 to 1.23 | .8528 |
Age for recipients of bone marrow transplants, years | |||
18-39 | 1.0 | ||
40+ | 1.44 | 1.17 to 1.77 | .0005 |
Age for recipients of peripheral-blood stem-cell transplants, years | |||
18-39 | 1.0 | ||
40+ | 0.99 | 0.77 to 1.27 | .9273 |
Race | |||
Asian/Hispanic | 1.0 | ||
White/Black | 1.54 | 1.22 to 1.94 | .0003 |
Leukemia type | |||
Acute myeloid or lymphoblastic leukemia | 1.0 | ||
Chronic myeloid leukemia | 1.35 | 1.15 to 1.59 | .0003 |
Karnofsky performance score at transplant | |||
90-100 | 1.0 | ||
0-80 | 1.27 | 1.05 to 1.53 | .0144 |
Conditioning regimen | |||
BuCy ± other | 1.0 | ||
CyTBI ± other | 1.40 | 1.19 to 1.66 | < .0001 |
Recipient-donor cytomegalovirus status | |||
≥ 1 positive | 1.0 | ||
Both negative | 1.20 | 1.01 to 1.42 | .0415 |
Abbreviations: RR, relative risk; BuCy ± other, busulfan and cyclophosphamide with or without additional agents; CyTBI ± other, cyclophosphamide and total body irradiation with or without additional agents.