Table 4

Results of univariate and multivariate analysis of NRM among 738 patients with Ph+ ALL

VariableUnivariate analysisMultivariate analysis
RR (95% Cl)PRR (95% Cl)P
Imatinib use before SCT     
 No 1 (Reference)  1 (Reference)  
 Yes 0.65 (0.49-0.88) <.001 0.55 (0.37-0.83) .005 
Age at SCT (years)     
 ≤29 1 (Reference)  1.03 (1.02-1.05) <.001 
 30-54 1.77 (1.16-2.70) .008 (Regression)  
 ≥55 2.54 (1.51-4.30) <.001   
HLA disparity     
 Matched 1 (Reference)  1 (Reference)  
 Mismatched 1.15 (0.86-1.54) .330 1.27 (0.87-1.87) .219 
Stem cell source     
 Related bone marrow 1 (Reference)  1 (Reference)  
 Unrelated bone marrow 1.47 (1.01-2.13) .044 1.32 (0.76-2.32) .327 
 Related peripheral blood 1.37 (0.87-2.14) .174 1.55 (0.95-2.53) .081 
 Cord blood 1.49 (0.93-2.38) .097 1.59 (0.81-3.11) .181 
PS at SCT     
 0 1 (Reference)  1 (Reference)  
 1-4 1.04 (0.76-1.42) .810 0.90 (0.64-1.26) .542 
Days from diagnosis to SCT     
 >180 days 1 (Reference)  1 (Reference)  
 ≤180 days 1.60 (1.20-2.13) .001 1.35 (0.97-1.88) .075 
BCR-ABL subtype     
 Major 1 (Reference)  1 (Reference)  
 Minor 1.20 (0.40-3.62) .750 NA  
 Major and minor 0.96 (0.33-2.76) .940 NA  
Donor recipient gender match     
 Male-male 1 (Reference)  1 (Reference)  
 Male-female 0.83 (0.55-1.25) .380 0.73 (0.48-1.12) .150 
 Female-male 1.01 (0.67-1.51) .970 1.07 (0.71-1.62) .737 
 Female-female 0.95 (0.63-1.42) .790 0.85 (0.55-1.30) .446 
Conditioning regimen     
 Reduced intensity 1 (Reference)  1 (Reference)  
 Myeloabrative 0.76 (0.44-1.31) .328 0.93 (0.52-1.67) .819 
WBC at diagnosis     
 <30 000/μL 1 (Reference)  1 (Reference)  
 ≤30 000/μL 1.04 (0.78-1.38) .810 1.03 (0.94-1.14) .468 
GVHD profiraxis     
 CyA/MTX 1 (Reference)  1 (Reference)  
 Tacrorimus/MTX 1.19 (0.89-1.60) .250 1.23 (0.84-1.81) .287 
Cytogenetics     
 t(9;22) only 1 (Reference)  1 (Reference)  
 Other abnormality 1.03 (0.68-1.54) .900 NA  
ABO blood type disparity     
 Match 1 (Reference)  1 (Reference)  
 Minor 1.31 (0.89-1.92) .170 NA  
 Major 1.28 (0.91-1.82) .160 NA  
VariableUnivariate analysisMultivariate analysis
RR (95% Cl)PRR (95% Cl)P
Imatinib use before SCT     
 No 1 (Reference)  1 (Reference)  
 Yes 0.65 (0.49-0.88) <.001 0.55 (0.37-0.83) .005 
Age at SCT (years)     
 ≤29 1 (Reference)  1.03 (1.02-1.05) <.001 
 30-54 1.77 (1.16-2.70) .008 (Regression)  
 ≥55 2.54 (1.51-4.30) <.001   
HLA disparity     
 Matched 1 (Reference)  1 (Reference)  
 Mismatched 1.15 (0.86-1.54) .330 1.27 (0.87-1.87) .219 
Stem cell source     
 Related bone marrow 1 (Reference)  1 (Reference)  
 Unrelated bone marrow 1.47 (1.01-2.13) .044 1.32 (0.76-2.32) .327 
 Related peripheral blood 1.37 (0.87-2.14) .174 1.55 (0.95-2.53) .081 
 Cord blood 1.49 (0.93-2.38) .097 1.59 (0.81-3.11) .181 
PS at SCT     
 0 1 (Reference)  1 (Reference)  
 1-4 1.04 (0.76-1.42) .810 0.90 (0.64-1.26) .542 
Days from diagnosis to SCT     
 >180 days 1 (Reference)  1 (Reference)  
 ≤180 days 1.60 (1.20-2.13) .001 1.35 (0.97-1.88) .075 
BCR-ABL subtype     
 Major 1 (Reference)  1 (Reference)  
 Minor 1.20 (0.40-3.62) .750 NA  
 Major and minor 0.96 (0.33-2.76) .940 NA  
Donor recipient gender match     
 Male-male 1 (Reference)  1 (Reference)  
 Male-female 0.83 (0.55-1.25) .380 0.73 (0.48-1.12) .150 
 Female-male 1.01 (0.67-1.51) .970 1.07 (0.71-1.62) .737 
 Female-female 0.95 (0.63-1.42) .790 0.85 (0.55-1.30) .446 
Conditioning regimen     
 Reduced intensity 1 (Reference)  1 (Reference)  
 Myeloabrative 0.76 (0.44-1.31) .328 0.93 (0.52-1.67) .819 
WBC at diagnosis     
 <30 000/μL 1 (Reference)  1 (Reference)  
 ≤30 000/μL 1.04 (0.78-1.38) .810 1.03 (0.94-1.14) .468 
GVHD profiraxis     
 CyA/MTX 1 (Reference)  1 (Reference)  
 Tacrorimus/MTX 1.19 (0.89-1.60) .250 1.23 (0.84-1.81) .287 
Cytogenetics     
 t(9;22) only 1 (Reference)  1 (Reference)  
 Other abnormality 1.03 (0.68-1.54) .900 NA  
ABO blood type disparity     
 Match 1 (Reference)  1 (Reference)  
 Minor 1.31 (0.89-1.92) .170 NA  
 Major 1.28 (0.91-1.82) .160 NA  

CyA, cyclospoline; NA, not applicable; RR, relative risk.