Patients’ characteristics

Total

(n = 121)

<500 cells/μl

(n = 7)

≥500 cells/μl

(n = 114)

p-value

<350 cells/μl

(n = 3)

≥350 cells/μl

(n = 118)

p-value

Age

<10

≥10

88

33

5 (5.68%)

2 (6.06%)

83 (94.32%)

31 (93.94%)

1.0

3 (3.44%)

0 (0%)

85 (96.56%)

33 (100%)

0.56

Sex Male

female

70

51

4 (5.71%)

3 (5.88%)

66 (94.29%)

48 (94.12%)

1.0

2 (2.86%)

1 (2%)

68 (97.14%)

50 (98%)

1.0

TLC <50,000 cells/μl

≥50,000 cells/μl

83

38

3 (3.62%)

4 (10.53%)

80 (96.38%)

34 (89.47%)

0.20

2 (2.41%)

1 (2.63%)

81 (97.59%)

37 (97.37%)

1.0

Mediastinal mass (119)*

Present

absent

15

104

1 (6.67%)

6 (5.77%)

14 (93.33%)

98 (94.23%)

1.0

0

3 (2.88%)

15 (100%)

101 (97.12%)

1.0

Immunophenotyping

B-ALL

T-ALL

95

26

5 (5.26%)

2 (7.69%)

90 (94.74%)

24 (92.31%)

0.64

2 (2.11%)

1 (3.85%)

93 (97.89%)

25 (96.15%)

0.52

CNS involvement

Yes

no

7

114

0

7 (6.14%)

7 (100%)

107 (93.86%)

1.0

0

3 (2.63%)

7 (100%)

111 (97.37%)

1.0

Early response

RER

SER

106

15

7 (6.60%)

0

99 (93.40%)

15 (100%)

0.60

3 (2.83%)

0

103 (97.17%)

15 (100%)

1.0

Induction response

CR

not

104

17

7 (6.73%)

0

97 (93.27%)

17 (100%)

0.59

3 (2.88%)

0

101 (97.12%)

17 (100%)

1.0