Table 3.

Multivariate analysis of grades 2 to 4 acute GVHD for patients aged 20 years and older

Ethnic group
N
Relative risk (95% CI)
P
Japanese   510   1.00   NA  
White American   817   1.77 (1.42-2.21)   < .001† 
African American   67   1.84 (1.18-2.87)   .006† 
Scandinavian   189   0.94 (0.65-1.37)   .99  
Irish
 		 92
 		 2.22 (1.53-3.23)
 		 < .001†
 
Ethnic group
N
Relative risk (95% CI)
P
Japanese   510   1.00   NA  
White American   817   1.77 (1.42-2.21)   < .001† 
African American   67   1.84 (1.18-2.87)   .006† 
Scandinavian   189   0.94 (0.65-1.37)   .99  
Irish
 		 92
 		 2.22 (1.53-3.23)
 		 < .001†
 

Other significant comparisons: Scandinavian vs Irish (RR = 0.42; (95% CI, 0.27-0.67; P = .002†; Scandinavian vs white American (RR = 0.53; 95% CI, 0.38-0.75; P = .003†.

NA indicates not applicable.

*4 degrees of freedom test; P < .001.

†

Adjusted for 10 multiple comparisons.

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