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Table 2 Multivariate analysis of transplantation outcome

From: Fludarabine-treosulfan compared to thiotepa-busulfan-fludarabine or FLAMSA as conditioning regimen for patients with primary refractory or relapsed acute myeloid leukemia: a study from the Acute Leukemia Working Party of the European Society for Blood and Marrow Transplantation (EBMT)

Outcome

HR

95% CI

p

RI

FLAMSA (ref)

1

  

TBF

0.9

0.6–1.4

0.6

FT

0.8

0.5–1.2

0.2

Age (per 10 years)

0.9

0.8–0.9

0.005

Relapse vs prim. ref

1.3

1.1–1.6

0.01

Patient CMV pos.

1.3

1.03–1.7

0.03

NRM

FLAMSA (ref)

1

  

TBF

1.5

0.8–2.7

0.17

FT

1.2

0.7–2.1

0.5

Age (per 10 years)

1.3

1.1–1.5

0.002

MSD (reference)

1

  

UD 10/10

1.5

0.9–2.3

0.08

UD 9/10

1.8

1.1–2.9

0.03

LFS

FLAMSA (ref)

1

  

TBF

1.1

0.7–1.5

0.7

FT

0.9

0.6–1.3

0.6

Patient CMV pos.

1.4

1.1–1.7

0.005

OS

FLAMSA (ref)

1

  

TBF

1.2

0.8–1.7

0.3

FT

0.8

0.6–1.2

0.4

KPS ≥ 80%

0.7

0.5–0.9

0.01

Patient CMV pos.

1.3

1.1–1.6

0.02

GRFS

FLAMSA (ref)

1

  

TBF

0.9

0.7–1.4

0.9

FT

0.8

0.6–1.07

0.13

KPS ≥ 80%

0.7

0.5–0.9

0.01

Patient CMV pos.

1.2

1.004–1.5

0.05

ATG used

0.8

0.6–1.01

0.06

aGVHD III–IV

FLAMSA (ref)

1

  

TBF

0.9

0.4–2.1

0.8

FT

0.7

0.3–1.6

0.4

KPS ≥ 80%

0.5

0.3–1.02

0.06

MSD (reference)

1

  

UD 10/10

1.6

0.8–2.9

0.16

UD 9/10

3.6

1.9–6.9

< 0.001

Female D to male R

1.7

1.01–2.9

0.045

ATG used

0.4

0.2–0.9

0.018

cGVHD

FLAMSA (ref)

1

  

TBF

1.7

0.7–4.1

0.2

FT

0.7

0.3–1.6

0.4

Age (per 10 years)

0.8

0.7–0.9

0.03

ATG used

0.4

0.2–0.8

0.006

Severe cGVHD

FLAMSA (ref)

1

  

TBF

1.4

0.6–3.3

0.4

FT

0.6

0.2–1.3

0.2

Donor CMV pos.

1.7

0.99–2.7

0.05

ATG used

0.4

0.2–0.7

0.005

  1. Hazard ratios of the three different conditioning regimens (FLAMSA as reference) and variables with p values below 0.05 are reported
  2. ATG anti-thymocyte globulin, BM bone marrow, CMV cytomegalovirus, FLAMSA fludarabine, intermediate dose Ara-C, amsacrine, total body irradiation, cyclophosphamide sequential regimen, KPS Karnofsky performance status, FT fludarabine-treosulfan, GVHD graft-versus-host disease, LFS leukemia-free survival, MSD matched sibling donor, NRM non-relapse mortality, OS overall survival, PBSCs peripheral blood stem cells, RI relapse incidence, TBF thiotepa-busulfan-fludarabine, UD unrelated donor