| 
      
        | OR | 95% CI | P-value | TLS –(n=191) | TLS + (n=41)
 | Variables |  
        | 4.18 | 1.98-8.83 | <0.001 | 30(25.2%) | 24(58.5%) | Baseline WBC≥20000/µL |  
        | 2.38 | 1.36-5.87 | 0.005 | 42(35.6%) | 25(61%) | Splenomegaly |  
        | 2.54 | 1.2-5.37 | 0.013 | 28(23.5%) | 18(43.9%) | Hepatomegaly |  
        | 4.45 | 1.56-12.67 | 0.003 | 8(7.2%) | 9 (25.7%) | Mediastinal mass |  
        | 7.6 | 2.41-23.91 | <0.001 | 5(4.2%) | 10 (25%) | Renal involvement |  
        | 10.93 | 2.10-56.87 | 0.001 | 2(1.7%) | 6 (16.25) | CNS involvement |  
        | 4.66 | 1.75-12.39 | 0.001 | 9(8%) | 11(28.9%) | T-cell immunophenotype |  
        | 3.88 | 1.52-9.89 | 0.003 | 11(4.7%) | 16(19.8%) | Baseline LDH ≥2000 U/L |  
        | 1.81 | 075-4.32 | 0.18 | 18(15.1%) | 10(24.4%) | Age ≥10 yr |  
        | 1.55 | 0.76-3.17 | 0.23 | 71(59.7%) | 20(48.8%) | Male sex |  |