Table 2.

Characteristics of COALL-92 study patients

All patients
Low risk
High risk
No. of patients   521   247   274  
Sex    
    Male   306   142   164  
    Female   215   105   110  
Age, y    
    Median   4.8   4.1   6.5  
    Range   1.0-17.8   1.0-9.9   1.0-17.8  
Immunophenotype    
    Pro-B-ALL   13   0   13  
    Common ALL   348   208   140  
    Pre-B-ALL   82   39   43  
    T-ALL   78   0   78  
WBC × 109/L    
    Median   10.5   5.2   41.1  
    Range   0.4-1258   0.4-24.5   0.4-1258  
Primary CNS involvement   16   1   15  
Philadelphia chromosome positive
 		 7
 		 0
 		 7
 
All patients
Low risk
High risk
No. of patients   521   247   274  
Sex    
    Male   306   142   164  
    Female   215   105   110  
Age, y    
    Median   4.8   4.1   6.5  
    Range   1.0-17.8   1.0-9.9   1.0-17.8  
Immunophenotype    
    Pro-B-ALL   13   0   13  
    Common ALL   348   208   140  
    Pre-B-ALL   82   39   43  
    T-ALL   78   0   78  
WBC × 109/L    
    Median   10.5   5.2   41.1  
    Range   0.4-1258   0.4-24.5   0.4-1258  
Primary CNS involvement   16   1   15  
Philadelphia chromosome positive
 		 7
 		 0
 		 7
 
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