Table 2.

Patient characteristics

All patients
Eligible patients 78 
Median age (range), y 44.5 (16-64) 
 ≥55 25 (32.1) 
Sex  
 Male 37 (47.4) 
 Female 41 (52.6) 
ECOG PS  
 0 44 (56.4) 
 1 29 (37.2) 
 2 4 (5.1) 
 3 1 (1.3) 
Median WBC count (range), ×109/L 32.5 (0.9-443.2) 
 >30 40 (51.3) 
Median PB blast (range), % 66.0 (0.0-98.0) 
Median BM blast (range), % 92.7 (0.0-100) 
Surface marker  
 CD10+ 75 (96.2) of 78 
 CD13 34 (43.5) of 78 
 CD19 79 (100) of 79 
 CD20 17 (21.5) of 79 
 CD33 32 (41.0) of 78 
 CD56 3 (3.8) of 78 
 HLADR 75 (98.7) of 76 
Cytoplasmic IgM*  
 Positive 49 (94.2) 
 Negative 3 (5.8) 
 Not tested 25 
Cytogenetics  
 Isolated Ph positivity 19 (24.4) of 78 
 Ph+ and others (additional CAs) 50 (64.1) of 78 
 +Der(22)t(9;22) 21 (26.6) of 78 
 Deletion 7 10 (12.6) of 78 
 Normal 7 (9.0) of 78 
 No mitosis 2 (2.6) of 78 
BCR-ABL1  
Breakpoints  
  Minor 56 (71.8) 
  Major 17 (21.8) 
  Major + minor 5 (6.4) 
Copy number, copy/μg RNA  
  Average minor (SD), × 105 5.5 (5.4) 
  Average major (SD), × 105 2.8 (1.3) 
All patients
Eligible patients 78 
Median age (range), y 44.5 (16-64) 
 ≥55 25 (32.1) 
Sex  
 Male 37 (47.4) 
 Female 41 (52.6) 
ECOG PS  
 0 44 (56.4) 
 1 29 (37.2) 
 2 4 (5.1) 
 3 1 (1.3) 
Median WBC count (range), ×109/L 32.5 (0.9-443.2) 
 >30 40 (51.3) 
Median PB blast (range), % 66.0 (0.0-98.0) 
Median BM blast (range), % 92.7 (0.0-100) 
Surface marker  
 CD10+ 75 (96.2) of 78 
 CD13 34 (43.5) of 78 
 CD19 79 (100) of 79 
 CD20 17 (21.5) of 79 
 CD33 32 (41.0) of 78 
 CD56 3 (3.8) of 78 
 HLADR 75 (98.7) of 76 
Cytoplasmic IgM*  
 Positive 49 (94.2) 
 Negative 3 (5.8) 
 Not tested 25 
Cytogenetics  
 Isolated Ph positivity 19 (24.4) of 78 
 Ph+ and others (additional CAs) 50 (64.1) of 78 
 +Der(22)t(9;22) 21 (26.6) of 78 
 Deletion 7 10 (12.6) of 78 
 Normal 7 (9.0) of 78 
 No mitosis 2 (2.6) of 78 
BCR-ABL1  
Breakpoints  
  Minor 56 (71.8) 
  Major 17 (21.8) 
  Major + minor 5 (6.4) 
Copy number, copy/μg RNA  
  Average minor (SD), × 105 5.5 (5.4) 
  Average major (SD), × 105 2.8 (1.3) 

Data are presented as n (%) unless otherwise indicated.

BM, bone marrow; ECOG PS, Eastern Cooperative Oncology Group performance status; PB, peripheral blood; SD, standard deviation; WBC, white blood cell.

*

Percentage of those tested.

Patients with major + minor types were included.

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