Table 1 Clinical characteristics of paediatric T-ALL cohort (n = 25)

Age (range 1–12 years)

1–9 Years

18

72

10–12 years

7

28

Gender

Male

23

92

Female

2

8

WBC (range 45–785 × 10⁹/L)

< 50 × 10⁶/L

2

8

> 50 × 10⁶/L

23

92

Immunophenotype (n = 22)

Pre-/Pro-TALL

4

18

Cortical/Mature

16

72

ETP

2

9

Day 8 absolute WBC count (n = 19)

> 1000 /ul

10

53

< 1000/ul

9

47

MRD at end of Induction (n = 22)

> 0.01%

10

45

< 0.01%

12

54

Mediastinal mass (n = 24)

Yes

13

54

No

11

46

Bulky Disease (n = 23)

Yes

9

39

No

12

52

Relapse (n = 23)

Yes

5

22

No

18

78

Death (n = 23)

Yes

4

17

No

19

83

Event^*(n = 23)

Yes

9

39

No

14

61