Table 2

Multivariate analysis of relapse and disease-free survival

AML patient transplantations
nRelapse
Disease-free survival
RR of relapse95% CIPRR of relapse or death95% CIP
Donor KIR: A/A and B/x genotypes        
    Donor KIR genotype        
        KIR-A/A 362 1.00   1.00   
        KIR-B/x 696 0.72 0.58-0.89 .003 0.85 0.73-0.99 .04 
Donor KIR: centromeric and telomeric genotypes        
    Donor Cen genotype        
        Cen-A/A 516 1.00   1.00   
        Cen-A/B 427 0.87 0.70-1.09 .20 0.94 0.81-1.10 .45 
        Cen-B/B 115 0.34 0.20-0.57 < .001 0.72 0.55-0.93 .01 
        Cen-B/A vs Cen-B/   < .001   .04 
Donor Tel genotype        
        Tel-A/A 643 1.00   1.00   
        Tel-A/B 371 0.70 0.56-0.89 .003 0.87 0.74-1.02 .08 
        Tel-B/B 44 0.52 0.26-1.06 .07 0.82 0.55-1.20 .32 
        Tel-A/B vs Tel-B/B    .45   .77 
Donor KIR B–content score        
    Donor KIR B motifs        
        0 364 1.00   1.00   
        1 366 0.93 0.73-1.19 .56 0.94 0.79-1.11 .45 
        2 242 0.54 0.39-0.74 < .001 0.77 0.63-0.94 .01 
        3 or 4 86 0.44 0.27-0.73 < .001 0.76 0.56-1.01 .06 
Donor KIR: B–content group        
    KIR B = 0 or 1 730 1.00   1.00   
    B ≥ 2 (Cen-A/x, Tel-B/x) 213 0.64 0.48-0.86 .003 0.84 0.70-1.01 .07 
    B ≥ 2 (Cen-B/B, Tel-x/x) 115 0.33 0.20-0.55 < .001 0.70 0.55-0.90 .007 
Donor KIR genotype and HLA match        
    HLA-matched        
        B = 0 or 1 374 1.00   1.00   
        B ≥ 2 165 0.52 0.36-0.75 < .001 0.80 0.62-1.02 .07 
    HLA-mismatched        
        B = 0 or 1 374 1.00   1.00   
        B ≥ 2 173 0.52 0.35-0.75 < .001 0.78 0.63-0.97 .03 
Disease status and HLA match        
    Disease status        
        Early 286 1.00   1.00   
        Intermediate 341 1.51 1.01-2.26 .044 1.47 1.13-1.90 .005 
        Advanced 431 2.99 2.25-3.98 < .001 2.38 1.94-2.92 < .001 
    HLA match        
        10/10 539 1.00   1.0   
        Less than 10/10 547 0.94 0.88-1.17 .57 1.30 1.12-1.51 < .001 
AML patient transplantations
nRelapse
Disease-free survival
RR of relapse95% CIPRR of relapse or death95% CIP
Donor KIR: A/A and B/x genotypes        
    Donor KIR genotype        
        KIR-A/A 362 1.00   1.00   
        KIR-B/x 696 0.72 0.58-0.89 .003 0.85 0.73-0.99 .04 
Donor KIR: centromeric and telomeric genotypes        
    Donor Cen genotype        
        Cen-A/A 516 1.00   1.00   
        Cen-A/B 427 0.87 0.70-1.09 .20 0.94 0.81-1.10 .45 
        Cen-B/B 115 0.34 0.20-0.57 < .001 0.72 0.55-0.93 .01 
        Cen-B/A vs Cen-B/   < .001   .04 
Donor Tel genotype        
        Tel-A/A 643 1.00   1.00   
        Tel-A/B 371 0.70 0.56-0.89 .003 0.87 0.74-1.02 .08 
        Tel-B/B 44 0.52 0.26-1.06 .07 0.82 0.55-1.20 .32 
        Tel-A/B vs Tel-B/B    .45   .77 
Donor KIR B–content score        
    Donor KIR B motifs        
        0 364 1.00   1.00   
        1 366 0.93 0.73-1.19 .56 0.94 0.79-1.11 .45 
        2 242 0.54 0.39-0.74 < .001 0.77 0.63-0.94 .01 
        3 or 4 86 0.44 0.27-0.73 < .001 0.76 0.56-1.01 .06 
Donor KIR: B–content group        
    KIR B = 0 or 1 730 1.00   1.00   
    B ≥ 2 (Cen-A/x, Tel-B/x) 213 0.64 0.48-0.86 .003 0.84 0.70-1.01 .07 
    B ≥ 2 (Cen-B/B, Tel-x/x) 115 0.33 0.20-0.55 < .001 0.70 0.55-0.90 .007 
Donor KIR genotype and HLA match        
    HLA-matched        
        B = 0 or 1 374 1.00   1.00   
        B ≥ 2 165 0.52 0.36-0.75 < .001 0.80 0.62-1.02 .07 
    HLA-mismatched        
        B = 0 or 1 374 1.00   1.00   
        B ≥ 2 173 0.52 0.35-0.75 < .001 0.78 0.63-0.97 .03 
Disease status and HLA match        
    Disease status        
        Early 286 1.00   1.00   
        Intermediate 341 1.51 1.01-2.26 .044 1.47 1.13-1.90 .005 
        Advanced 431 2.99 2.25-3.98 < .001 2.38 1.94-2.92 < .001 
    HLA match        
        10/10 539 1.00   1.0   
        Less than 10/10 547 0.94 0.88-1.17 .57 1.30 1.12-1.51 < .001 

AML indicates acute myelogenous leukemia; 95% CI, 95% confidence interval; HLA, human leukocyte antigen; and RR, relative risk.

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