Table 4.

Univariate and multivariate analyses of overall survival




Univariate analysis

Multivariate analysis
Variable
No.
Hazard ratio (95% CI)
P
Hazard ratio (95% CI)
P
Age at transplant    .134   —   —  
younger than 40 y   158   1.00    —   —  
40 y or older   75   1.32 (0.92-1.90)    —   —  
Clinical subtype    .126   —   —  
Indolent   38   1.00    —   —  
Lymphoblastic   84   1.57 (0.88-2.80)    —   —  
Clinical subtype    .045   —   —  
Indolent   38   1.00    —   —  
Aggressive   111   1.77 (1.01-3.11)    —   —  
Aggressive lymphoma    .004   —   —  
PTCL   22   1.00    —   —  
Non-PTCL   89   3.45 (1.47-7.69)    —   —  
Response to chemotherapy    <.001   —   —  
Sensitive   128   1.00    —   —  
Resistant   105   3.31 (2.30-4.76)    3.12 (2.16-4.51)   <.001  
Prior autograft    < .001   —   —  
No   193   1.00    —   —  
Yes   40   2.59 (1.73-3.87)    2.18 (1.43-3.30)   < .001  
Prior radiotherapy    < .001   —   —  
No   152   1.00    —   —  
Yes   81   1.99 (1.41-2.83)    1.47 (1.02-2.11)   .037  
Years of transplantation    .932   —   —  
1996-2001   187   1.00    —   —  
1990-1995   46   1.02 (0.67-1.54)    —   —  
Donor    .076   —   —  
HLA-matched   197   1.00    —   —  
HLA-mismatched   36   1.50 (0.96-2.33)    —   —  
HLA-matched donor    .769   —   —  
Related   154   1.00    —   —  
Unrelated   43   0.93 (0.58-1.50)    —   —  
Source of stem cells*    .095   —   —  
BM   159   1.00    —   —  
PBSCs   70   1.37 (0.95-2.00)    —   —  
Conditioning regimen    .107   —   —  
TBI-containing   193   1.00    —   —  
Others   40   1.42 (0.93-2.17)    —   —  
GVHD prophylaxis    .227   —   —  
Cyclosporin + methotrexate   204   1.00    —   —  
Tacrolimus + methotrexate   22   1.40 (0.81-2.40)    —   —  
Acute GVHD-time
 

 
1.25 (0.85-1.84)
 
.264
 
1.28 (0.87-1.90)
 
.213
 



Univariate analysis

Multivariate analysis
Variable
No.
Hazard ratio (95% CI)
P
Hazard ratio (95% CI)
P
Age at transplant    .134   —   —  
younger than 40 y   158   1.00    —   —  
40 y or older   75   1.32 (0.92-1.90)    —   —  
Clinical subtype    .126   —   —  
Indolent   38   1.00    —   —  
Lymphoblastic   84   1.57 (0.88-2.80)    —   —  
Clinical subtype    .045   —   —  
Indolent   38   1.00    —   —  
Aggressive   111   1.77 (1.01-3.11)    —   —  
Aggressive lymphoma    .004   —   —  
PTCL   22   1.00    —   —  
Non-PTCL   89   3.45 (1.47-7.69)    —   —  
Response to chemotherapy    <.001   —   —  
Sensitive   128   1.00    —   —  
Resistant   105   3.31 (2.30-4.76)    3.12 (2.16-4.51)   <.001  
Prior autograft    < .001   —   —  
No   193   1.00    —   —  
Yes   40   2.59 (1.73-3.87)    2.18 (1.43-3.30)   < .001  
Prior radiotherapy    < .001   —   —  
No   152   1.00    —   —  
Yes   81   1.99 (1.41-2.83)    1.47 (1.02-2.11)   .037  
Years of transplantation    .932   —   —  
1996-2001   187   1.00    —   —  
1990-1995   46   1.02 (0.67-1.54)    —   —  
Donor    .076   —   —  
HLA-matched   197   1.00    —   —  
HLA-mismatched   36   1.50 (0.96-2.33)    —   —  
HLA-matched donor    .769   —   —  
Related   154   1.00    —   —  
Unrelated   43   0.93 (0.58-1.50)    —   —  
Source of stem cells*    .095   —   —  
BM   159   1.00    —   —  
PBSCs   70   1.37 (0.95-2.00)    —   —  
Conditioning regimen    .107   —   —  
TBI-containing   193   1.00    —   —  
Others   40   1.42 (0.93-2.17)    —   —  
GVHD prophylaxis    .227   —   —  
Cyclosporin + methotrexate   204   1.00    —   —  
Tacrolimus + methotrexate   22   1.40 (0.81-2.40)    —   —  
Acute GVHD-time
 

 
1.25 (0.85-1.84)
 
.264
 
1.28 (0.87-1.90)
 
.213
 

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 + PBSCs (n = 2) were excluded because of the small number of patients.

Seven patients using other GVHD prophylaxis were excluded.

Acute GVHD was treated as time-dependent variable.

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