Survival of Mexican Children with Acute Myeloid Leukaemia Who Received Early Intensification Chemotherapy and an Autologous Transplant

Table 1

General and clinical characteristics of the paediatric patients with acute myeloid leukaemia.

Characteristic	Patients
	Group A with EI^a	Group B without EI
	( = 20)	( = 20)
Age (years)			0.718
Median (min–max)	9 (2–15)	9.5 (2–15)
Sex			0.525
Male	11 (55%)	11 (55%)
Female	9 (45%)	9 (45%)
Leukocyte count (10^3/L)			0.698
Median	28 250	26 900
Minimum–maximum	9 700–125 000	5 800–154 700
Morphological subtype (FAB^b)			0.941
M0, M1, M2	6 (30%)	4 (20%)
M3	1 (5%)	1 (5%)
M4, M5	11 (55%)	12 (60%)
M6	1 (5%)	1 (5%)
M7	1 (5%)	2 (10%)
Karyotype			0.900
Normal	8 (40%)	6 (30%)
t(8:21)aml/atg8	2 (10%)	3 (15%)
t(15:4)q+	0 (0%)	1 (5%)
t(9:22)abr/bcl	1 (5%)	1 (5%)
t(9:11)p22,q23	1 (5%)	1 (5%)
No data	8 (40%)	8 (40%)
Risk (by karyotype)			0.870
Normal	4 (17%)	3 (13%)
Intermediate	8 (33%)	6 (25%)
High	2 (8%)	1 (4%)
Risk (BFM^c)			0.669
Low	3 (15%)	3 (15%)
High	17 (85%)	17 (85%)

EI: early intensification.
^bFAB: French-American-British classification.
^cBFM: Berlin-Frankfurt-Münster study [39].