Table 3. Comparative incidence^a of subtypes of acute lymphoblastic leukaemia in Nigerian, United Kingdom and US American children.

Leukaemia subtypes	Nigerian	United Kingdom	USA Caucasian	African-American
ALL (all subtypes)	0.8b	2.61c	2.46d	1.26d
c-ALL	0.18e	1.91f	1.83f	0.70g
T-ALL	0.31e	0.35f	0.38f	0.40g
B-ALL	0.18e	0.02f	0.06f	0.0g

^a: New cases per 100,000;

^b: [14];

^c: [35]; [36];

^e: derived from b and data in Table 2;

^f: derived from c and data in Table 2;

^g: derived from d and the data in Table 2.