TABLE 1.

Demographic and clinico-pathological data.

Variable	Total n = 32
Age at diagnosis
median (range) IQR	7.0 (2–18) years 3–13 years
Sex
Female/male	17/15 (53%/47%)
ALL subtype
common/pre-B	26 (81%)/6 (19%)
Risk group (ALLIC-BFM-2009)
standard/intermediate/high	3 (9.4%)/22 (68.7%)/7 (21.9%)
Blast count in bone marrow
median (range), IQR	90 (25%–100%), 83%–98%
Response to prednisone, day 8
good (<1.0 × 109/L)/poor (≥1.0 × 109/L) blasts in blood	28 (88%)/4 (13%)
Minimal residual disease, day 15
<0.1%/0.1%–10%/>10%/unknown	11 (37%)/14 (47%)/5 (17%)/2
Acute severe toxicity related to treatment
Yes/No/unknown	9 (29%)/22 (68%)/1 (3%)
Relapse
Yes	5 (16%)
Death
Yes	5 (16%)
Follow-up time (months)
median (range) IQR	32 (2–52) months 25–35 months

IQR, interquartile range.