Research Article

Survival of Mexican Children with Acute Lymphoblastic Leukaemia under Treatment with the Protocol from the Dana-Farber Cancer Institute 00-01

Table 4

Events and deaths in paediatric patients with ALL who were younger than 16 years of age and who were treated at the paediatric haematology service of the specialist “La Raza” IMSS Medical Centre.

CharacteristicEventDeath
3 years5 years3 years5 years
NoYesNoYesNoYesNoYes
(%) (%) (%) (%) (%) (%) (%) (%)

Sex
 Male99 (59.3)68 (40.7)89 (53.3)78 (46.7)119 (71.3)48 (28.7)113 (67.7)54 (32.3)
 Female78 (57.8)57 (42.2)72 (53.3)63 (46.7)91 (67.4)44 (32.6)83 (61.5)52 (38.5)
Age (years)
 <10 (0)1 (100)0 (0)1 (100)1 (100)0 (100)0 (0)1 (100)
 1–579 (64.8)43 (35.2)71 (58.2)51 (41.8)93 (76.2)29 (23.8)87 (71.3)35 (28.7)
 5.1–9.9935 (53.0)31 (47.0)32 (48.5)34 (51.5)44 (66.7)22 (33.3)40 (60.6)26 (39.4)
 ≥1063 (55.8)50 (44.2)58 (51.3)55 (48.7)72 (63.7)41 (36.3)69 (61.1)44 (38.9)
Immunophenotype
 B166 (59.5)113 (40.5)150 (53.8)129 (46.2)198 (71.0)81 (29.0)185 (66.3)94 (33.7)
 T11 (47.8)12 (52.2)11 (47.8)12 (52.2)12 (52.2)11 (47.8)11 (47.8)12 (52.2)
WBC count (1 × 109/L)
 <1091 (61.9)56 (38.1)87 (59.2)60 (40.8)107 (72.8)40 (27.2)104 (70.7)43 (29.3)
 10–2026 (54.2)22 (45.8)21 (43.8)27 (56.3)30 (62.5)18 (37.5)28 (58.3)20 (41.7)
 20–5020 (58.8)14 (41.2)18 (52.9)16 (47.1)23 (67.6)11 (32.4)22 (64.7)12 (35.3)
 50–10017 (63.0)10 (37.0)16 (59.3)11 (40.7)21 (77.8)6 (22.2)17 (63.0)10 (37.0)
 >10023 (50.0)23 (50.0)19 (41.3)27 (58.7)29 (63.0)17 (37.0)25 (54.3)21 (45.7)
Risk group
 Standard84 (57.5)62 (42.5)76 (52.1)70 (47.9)102 (69.9)44 (30.1)98 (67.1)48 (32.9)
 High93 (59.6)63 (40.4)85 (54.3)71 (45.5)108 (69.2)48 (30.8)98 (62.8)58 (37.2)