Table 2.

Incidence rates of acute leukemias in children under 20 years of age from the states of Puebla, Tlaxcala and Oaxaca during the period 2021-2022.

AL	Sex	Age-specific rate								0 - 14y		ASIRw 0-14	0 - 19y		ASIRw 0 -19
		0 - 4		5 - 9		10 - 14		15 - 19
		n	cIR	n	cIR	n	cIR	n	cIR	n	cIR		n	cIR
All-AL	Male	52	47.77	63	56.26	71	62.39	29	25.84	185	55.40	55.28	215	48.11	48.17
	Female	57	54.26	43	39.77	53	48.01	20	18.17	153	47.29	47.39	173	39.90	40.24
	Total	109	50.96	106	106.00	124	55.31	49	22.04	338	51.35	51.46	388	44.07	44.26
Subtype
ALL	Male	48	44.10	52	46.44	56	49.21	26	23.17	156	46.56	46.62	182	40.73	40.83
	Female	47	44.74	35	32.37	35	31.71	18	16.35	117	36.16	36.34	135	31.13	31.45
	Total	95	44.41	87	87.00	91	40.59	44	19.79	273	41.48	41.53	317	36.00	36.21
AML	Male	4	3.67	11	9.82	14	12.30	3	2.67	29	8.56	8.37	32	7.16	7.12
	Female	9	8.57	8	7.40	16	14.49	2	1.82	33	10.20	10.13	35	8.07	8.10
	Total	13	6.08	19	19.00	30	13.38	5	2.25	62	9.27	9.33	67	7.61	7.60
Other	Male	0	––––	0	–––	1	0.88	0	–––	1	0.29	0.30	1	0.22	0.22
	Female	1	0.95	0	–––	2	1.81	0	–––	3	0.93	0.92	3	0.69	0.69
	Total	1	0.47	0	–––	3	1.34	0	–––	4	0.61	0.60	4	0.45	0.45
Immunophenotype
B-cell	Male	46	42.26	49	43.76	52	45.69	25	22.28	147	43.89	43.93	172	38.49	38.60
	Female	47	44.74	35	32.37	31	28.08	17	15.45	113	34.92	35.15	130	29.98	30.33
	Total	93	43.48	84	84.00	83	37.02	42	18.89	260	39.50	39.59	302	34.30	34.53
T-cell	Male	2	1.84	3	2.68	3	2.64	1	0.89	8	2.38	2.39	9	2.01	2.02
	Female	0	0.00	0	0.00	4	3.62	1	0.91	4	1.24	1.19	5	1.15	1.12
	Total	2	0.94	3	3.00	7	3.12	2	0.90	12	1.82	1.80	14	1.59	1.58
ALAL	Male	0	–––	0	–––	1	0.88	0	–––	1	0.30	0.29	1	0.22	0.22
	Female	0	–––	0	–––	0	–––	0	–––	0	—	–––	0	–––	–––
	Total	0	–––	0	–––	1	0.45	0	–––	1	0.15	0.15	1	0.11	0.11

AL, acute leukemia; ALL, acute lymphoblastic leukemia; AML, acute myeloid leukemia; ALAL, acute leukemias of ambiguous lineage.