Table 3

Multivariate data regression (analysis of maximum likelihood estimates) of OS (n = 318 NPM1-mutated AML cases)

VariablePr > χ2 testHazard ratio (95% confidence limits)
Age as continuous variable 0.5615 1.005 (0.987-1.024) 
FLT3: mutated vs unmutated 0.0156 1.767 (1.114-2.802) 
Karyotype: aberrant vs normal 0.5535 1.217 (0.636-2.326) 
MLD: positive vs negative 0.4242 0.796 (0.455-1.393) 
VariablePr > χ2 testHazard ratio (95% confidence limits)
Age as continuous variable 0.5615 1.005 (0.987-1.024) 
FLT3: mutated vs unmutated 0.0156 1.767 (1.114-2.802) 
Karyotype: aberrant vs normal 0.5535 1.217 (0.636-2.326) 
MLD: positive vs negative 0.4242 0.796 (0.455-1.393) 

OS indicates overall survival; AML, acute myeloid leukemia; Pr, probability; and MLD, multilineage dysplasia.