Table 3

LIC determination in non-t(4;11) pre-B ALL with TBI preconditioning based xenotransplantation

UPNTBI dose (Gy)LIC frequency (95% confidence interval)
  Cells per injection  
20 2.5 1.8 × 106 1.8 × 105 1.8 × 104 1.8 × 103  
  No. of mice engrafting <1/3900 (1/880-1/17 000) 
  3/3 2/2 3/3 1/3  
  Cells per injection  
21 2.5 5.6 × 106 — — 2.78 × 103  
  No. of mice engrafting <1/6800 (1/960-1/49 000) 
  2/2 ND ND 1/3  
  Cells per injection  
21 ND 4.5 × 105 4.5 × 104 4.5 × 103  
  No. of mice engrafting <1/20 000 (1/7000-1/59 000) 
  ND 4/4 4/4 0/5  
UPNTBI dose (Gy)LIC frequency (95% confidence interval)
  Cells per injection  
20 2.5 1.8 × 106 1.8 × 105 1.8 × 104 1.8 × 103  
  No. of mice engrafting <1/3900 (1/880-1/17 000) 
  3/3 2/2 3/3 1/3  
  Cells per injection  
21 2.5 5.6 × 106 — — 2.78 × 103  
  No. of mice engrafting <1/6800 (1/960-1/49 000) 
  2/2 ND ND 1/3  
  Cells per injection  
21 ND 4.5 × 105 4.5 × 104 4.5 × 103  
  No. of mice engrafting <1/20 000 (1/7000-1/59 000) 
  ND 4/4 4/4 0/5  

The number of mice engrafting over the total number injected is shown. LIC frequencies were calculated using the open access program ELDA (http://bioinf.wehi.edu.au/software/elda/). ND, not determined.