Table 3.

Univariate and multivariate analyses of treatment-related mortality




Univariate analysis

Multivariate analysis
Variable
No.
Hazard ratio (95% CI)
P
Hazard ratio (95% CI)
P
Age at transplantation    .035    —  
Younger than 40 y   158   1.00    —   
40 y or older   75   1.82 (1.04-3.17)    —   
Clinical subtype    .349    —  
Indolent   38   1.00    —   
Lymphoblastic   84   1.47 (0.66-3.32)    —   
Clinical subtype    .103    —  
Indolent   38   1.00    —   
Aggressive   111   1.91 (0.88-4.16)    —   
Aggressive lymphoma    .045    —  
PTCL   22   1.00    —   
Non-PTCL   89   2.85 (1.02-7.94)    —   
Response to chemotherapy    < .001    < .001  
Sensitive   128   1.00    1.00   
Resistant   105   3.41 (1.97-5.88)    2.95 (1.66-5.25)   
Prior autograft    < .001    < .001  
No   193   1.00    1.00   
Yes   40   4.74 (2.23-10.07)    4.09 (1.85-9.04)   
Prior radiotherapy    .010    —  
No   152   1.00    —   
Yes   81   2.05 (1.18-3.55)    —   
Years of transplantation    .225    —  
1996-2001   187   1.00    —   
1990-1995   46   1.49 (0.78-2.86)    —   
Donor    .295    —  
HLA-matched   197   1.00    —   
HLA-mismatched   36   1.46 (0.72-2.98)    —   
HLA-matched donor    .437    —  
Related   154   1.00    —   
Unrelated   43   1.24 (0.72-2.15)    —   
Source of stem cells*    .544    —  
BM   159   1.00    —   
PBSCs   70   1.09 (0.82-1.46)    —   
Conditioning regimen    .144    —  
TBI-containing   193   1.00    —   
Others   40   1.67 (0.84-3.30)    —   
GVHD prophylaxis    .169    —  
Cyclosporin + methotrexate   204   1.00    —   
Tacrolimus + methotrexate   22   1.86 (0.77-4.51)    —   
Acute GVHD    .537    —  
No   78   1.00    —   
Yes   155   1.19 (0.69-2.06)    —   
Chronic GVHD    < .001    .029  
No   79   1.00    1.00   
Yes
 
154
 
2.76 (1.53-4.98)
 

 
2.02 (1.07-3.77)
 

 



Univariate analysis

Multivariate analysis
Variable
No.
Hazard ratio (95% CI)
P
Hazard ratio (95% CI)
P
Age at transplantation    .035    —  
Younger than 40 y   158   1.00    —   
40 y or older   75   1.82 (1.04-3.17)    —   
Clinical subtype    .349    —  
Indolent   38   1.00    —   
Lymphoblastic   84   1.47 (0.66-3.32)    —   
Clinical subtype    .103    —  
Indolent   38   1.00    —   
Aggressive   111   1.91 (0.88-4.16)    —   
Aggressive lymphoma    .045    —  
PTCL   22   1.00    —   
Non-PTCL   89   2.85 (1.02-7.94)    —   
Response to chemotherapy    < .001    < .001  
Sensitive   128   1.00    1.00   
Resistant   105   3.41 (1.97-5.88)    2.95 (1.66-5.25)   
Prior autograft    < .001    < .001  
No   193   1.00    1.00   
Yes   40   4.74 (2.23-10.07)    4.09 (1.85-9.04)   
Prior radiotherapy    .010    —  
No   152   1.00    —   
Yes   81   2.05 (1.18-3.55)    —   
Years of transplantation    .225    —  
1996-2001   187   1.00    —   
1990-1995   46   1.49 (0.78-2.86)    —   
Donor    .295    —  
HLA-matched   197   1.00    —   
HLA-mismatched   36   1.46 (0.72-2.98)    —   
HLA-matched donor    .437    —  
Related   154   1.00    —   
Unrelated   43   1.24 (0.72-2.15)    —   
Source of stem cells*    .544    —  
BM   159   1.00    —   
PBSCs   70   1.09 (0.82-1.46)    —   
Conditioning regimen    .144    —  
TBI-containing   193   1.00    —   
Others   40   1.67 (0.84-3.30)    —   
GVHD prophylaxis    .169    —  
Cyclosporin + methotrexate   204   1.00    —   
Tacrolimus + methotrexate   22   1.86 (0.77-4.51)    —   
Acute GVHD    .537    —  
No   78   1.00    —   
Yes   155   1.19 (0.69-2.06)    —   
Chronic GVHD    < .001    .029  
No   79   1.00    1.00   
Yes
 
154
 
2.76 (1.53-4.98)
 

 
2.02 (1.07-3.77)
 

 

CI indicates confidence interval; PTCL, peripheral T-cell lymphoma; HLA, human leukocyte antigen; BM, bone marrow; GVHD, graft-versus-host disease; and —, not applicable.

*

Those who received cord blood (n = 2) or BM + PBSC (n = 2) were excluded because of the small number of patients.

Seven patients using other GVHD prophylaxis were excluded.

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