Table 2.

Univariable and multivariable analysis of risk

OS from EOI1DFS from EOI1RR from EOI1TRM from EOI1
nHR95% ClPHR95% CIPHR95% CIPHR95% ClP
Univariable              
 MRD at EOI1              
  Negative 544         
  Positive 240 2.35 1.84-2.98 <.001 2.27 1.86-2.78 <.001 2.10 1.69-2.60 <.001 1.95 1.06-3.58 .031 
 Age, y              
  2-10 276         
  0-1 156 1.09 0.77-1.54 .616 1.18 0.90-1.56 .231 1.17 0.87-1.57 .292 1.19 0.34-4.22 .787 
  ≥11 352 1.29 0.98-1.69 .068 1.09 0.87-1.36 .456 0.88 0.70-1.11 .287 4.42 1.85-10.5 .001 
 WBC, ×103/µL              
  <100 625         
  ≥100 159 1.22 0.92-1.63 .163 1.58 1.26-1.98 <.001 1.78 1.40-2.25 <.001 0.41 0.15-1.15 .089 
 Race              
  Non–African American 622         
  African American 87 1.77 1.27-2.45 .001 1.32 0.98-1.77 .067 1.16 0.85-1.59 .345 1.92 0.88-4.19 .101 
 Risk group, cyto/mutation              
  Standard 404         
  Low 273 0.32 0.23-0.44 <.001 0.41 0.32-0.52 <.001 0.37 0.29-0.48 <.001 1.13 0.56-2.25 .736 
  High 94 1.23 0.89-1.70 .205 1.22 0.92-1.62 .163 1.08 0.79-1.49 .629 2.14 0.97-4.69 .059 
 Induction 1 response by morphology              
  CR 576         
  Not in CR 200 1.60 1.23-2.06 <.001 2.38 1.93-2.93 <.001 2.35 1.86-2.98 <.001 1.12 0.56-2.25 .744 
Multivariable              
 MRD at EOI1              
  Negative 476         
  Positive 214 1.82 1.36-2.44 <.001 1.49 1.18-1.90 .001 1.35 1.04-1.76 .023 2.20 1.01-4.76 .046 
 Age, y              
  2-10 246         
  0-1 133 0.85 0.58-1.24 .400 0.89 0.65-1.20 .436 0.83 0.59-1.17 .292 2.03 0.49-8.39 .327 
  ≥11 311 1.44 1.08-1.92 .012 1.22 0.96-1.54 .105 0.96 0.74-1.24 .766 5.67 1.98-16.2 .001 
 WBC, ×103/µL              
  <100 550         
  ≥100 140 1.24 0.91-1.68 .171 1.52 1.19-1.95 .001 1.74 1.32-2.30 <.001 0.46 0.16-1.30 .143 
 Race              
  Non–African American 603         
  African American 87 1.76 1.26-2.47 .001 1.32 0.98-1.78 .067 1.19 0.87-1.64 .284 1.82 0.81-4.09 .147 
 Risk group, cyto/mutation              
  Standard 367         
  Low 240 0.31 0.21-0.44 <.001 0.42 0.32-0.55 <.001 0.39 0.29-0.52 <.001 1.09 0.50-2.38 .826 
  High 83 0.92 0.64-1.32 .646 0.96 0.70-1.32 .803 0.91 0.63-1.33 .639 1.25 0.47-3.28 .657 
 Induction 1 response by morphology              
  CR 516         
  Not in CR 174 1.11 0.82-1.50 .519 2.06 1.62-2.63 <.001 2.05 1.56-2.68 <.001 0.91 0.40-2.07 .827 
OS from EOI1DFS from EOI1RR from EOI1TRM from EOI1
nHR95% ClPHR95% CIPHR95% CIPHR95% ClP
Univariable              
 MRD at EOI1              
  Negative 544         
  Positive 240 2.35 1.84-2.98 <.001 2.27 1.86-2.78 <.001 2.10 1.69-2.60 <.001 1.95 1.06-3.58 .031 
 Age, y              
  2-10 276         
  0-1 156 1.09 0.77-1.54 .616 1.18 0.90-1.56 .231 1.17 0.87-1.57 .292 1.19 0.34-4.22 .787 
  ≥11 352 1.29 0.98-1.69 .068 1.09 0.87-1.36 .456 0.88 0.70-1.11 .287 4.42 1.85-10.5 .001 
 WBC, ×103/µL              
  <100 625         
  ≥100 159 1.22 0.92-1.63 .163 1.58 1.26-1.98 <.001 1.78 1.40-2.25 <.001 0.41 0.15-1.15 .089 
 Race              
  Non–African American 622         
  African American 87 1.77 1.27-2.45 .001 1.32 0.98-1.77 .067 1.16 0.85-1.59 .345 1.92 0.88-4.19 .101 
 Risk group, cyto/mutation              
  Standard 404         
  Low 273 0.32 0.23-0.44 <.001 0.41 0.32-0.52 <.001 0.37 0.29-0.48 <.001 1.13 0.56-2.25 .736 
  High 94 1.23 0.89-1.70 .205 1.22 0.92-1.62 .163 1.08 0.79-1.49 .629 2.14 0.97-4.69 .059 
 Induction 1 response by morphology              
  CR 576         
  Not in CR 200 1.60 1.23-2.06 <.001 2.38 1.93-2.93 <.001 2.35 1.86-2.98 <.001 1.12 0.56-2.25 .744 
Multivariable              
 MRD at EOI1              
  Negative 476         
  Positive 214 1.82 1.36-2.44 <.001 1.49 1.18-1.90 .001 1.35 1.04-1.76 .023 2.20 1.01-4.76 .046 
 Age, y              
  2-10 246         
  0-1 133 0.85 0.58-1.24 .400 0.89 0.65-1.20 .436 0.83 0.59-1.17 .292 2.03 0.49-8.39 .327 
  ≥11 311 1.44 1.08-1.92 .012 1.22 0.96-1.54 .105 0.96 0.74-1.24 .766 5.67 1.98-16.2 .001 
 WBC, ×103/µL              
  <100 550         
  ≥100 140 1.24 0.91-1.68 .171 1.52 1.19-1.95 .001 1.74 1.32-2.30 <.001 0.46 0.16-1.30 .143 
 Race              
  Non–African American 603         
  African American 87 1.76 1.26-2.47 .001 1.32 0.98-1.78 .067 1.19 0.87-1.64 .284 1.82 0.81-4.09 .147 
 Risk group, cyto/mutation              
  Standard 367         
  Low 240 0.31 0.21-0.44 <.001 0.42 0.32-0.55 <.001 0.39 0.29-0.52 <.001 1.09 0.50-2.38 .826 
  High 83 0.92 0.64-1.32 .646 0.96 0.70-1.32 .803 0.91 0.63-1.33 .639 1.25 0.47-3.28 .657 
 Induction 1 response by morphology              
  CR 516         
  Not in CR 174 1.11 0.82-1.50 .519 2.06 1.62-2.63 <.001 2.05 1.56-2.68 <.001 0.91 0.40-2.07 .827 

Bold values in the table body represent statistically significant P values.

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