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Table 6 Average annual and age-standardized incidence per period1 of five principal malignant neoplasms in children served by IMSS and residing in the jurisdictions of Guerrero, Veracruz, Chiapas, and Yucatán

From: Incidence of cancer in children residing in ten jurisdictions of the Mexican Republic: importance of the Cancer registry (a population-based study)

  Age group (years) Sex    
Diagnostic group <1 1–4 5–9 10–14 M F AAI AAS M/F2
Guerrero 96-02 (cases) N = 7 n = 51 N = 29 n = 38 n = 70 n = 55 n = 125 n = 125 70/55
1. Leukemias 26.1 82.3 31.9 72.2 66.0 48.7 57.4 58.8 1.4
2. CNS tumors 0.0 38.8 28.3 31.6 15.8 46.0 30.7 30.3 0.4
3. Lymphomas 0.0 48.4 17.7 27.1 44.9 10.8 28.0 28.6 4.3
- Hodgkin lymphomas 0.0 0.0 10.6 18.0 10.6 8.1 9.3 8.6 1.3
- Non Hodgkin lymphomas 0.0 48.4 7.1 9.0 34.3 2.7 18.7 19.9 0.9
4. Bone Tumors 0.0 0.0 14.2 18.0 18.5 2.7 10.7 9.8 6.9
5. Soft-tissue sarcomas 52.1 0.0 0.0 18.0 10.6 5.4 8.0 9.3 2.0
Total 182.5 247.0 102.7 171.4 184.7 148.7 166.9 173.5 1.3
Veracruz 98-02 (cases) n = 2 n = 46 N = 44 n = 33 n = 66 n = 59 n = 125 n = 125 66/59
1. Leukemias 40.9 67.3 57.4 42.2 53.0 55.1 54.0 54.8 1.0
2. CNS tumors 0.0 21.3 17.5 15.8 17.7 16.5 17.1 16.8 1.1
3. Lymphomas 0.0 3.5 22.4 15.8 21.2 7.3 14.4 12.9 3.0
- Hodgkin lymphomas 0.0 3.5 10.0 10.6 12.4 3.7 8.1 7.4 3.5
- Non Hodgkin lymphomas 0.0 0.0 12.5 5.3 8.8 3.7 6.3 5.6 2.5
4. Germ cell tumors 0.0 10.6 10.0 5.3 5.3 11.0 8.1 8.0 0.5
5. Retinoblastoma 0.0 21.3 0.0 0.0 3.5 7.3 5.4 6.6 0.5
Total 40.9 163.0 109.7 87.1 116.5 108.3 112.5 114.3 1.1
Chiapas 96-02 (cases) n = 12 n = 49 N = 39 n = 43 n = 73 n = 70 n = 143 n = 143 73/70
1. Leukemias 55.1 96.6 62.4 68.5 69.2 76.2 72.7 74.2 0.9
2. CNS tumors 55.1 59.0 11.0 20.1 24.0 32.6 28.3 31.9 0.7
3. Retinoblastoma 137.8 32.2 3.7 0.0 13.3 19.0 16.1 21.8 0.7
4. Lymphomas 0.0 10.7 29.4 20.1 29.3 10.9 20.2 18.6 2.7
- Hodgkin lymphomas 0.0 10.7 7.3 8.1 10.7 5.4 8.1 8.0 2.0
- Non Hodgkin lymphomas 0.0 0.0 22.0 12.1 18.6 5.4 12.1 10.6 3.4
5. Soft-tissue sarcomas 0.0 37.6 0.0 8.1 8.0 16.3 12.1 14.0 0.5
Total 330.7 263.0 143.2 173.2 194.4 190.4 192.4 203.5 1.0
Yucatán 98-00 (cases) n = 3 n = 24 N = 15 n = 9 n = 24 n = 27 n = 51 n = 51 24/27
1. Leukemias 72.7 73.8 49.5 19.4 42.1 55.6 48.8 50.1 0.8
2. Germ cell tumors 36.4 13.4 5.5 6.5 11.5 7.9 9.8 10.6 1.5
3. CNS tumors 0.0 13.4 16.5 0.0 11.5 7.9 9.8 9.5 1.5
4. Bone Tumors 0.0 0.0 0.0 25.9 0.0 15.9 7.8 7.5 -
5. Neuroblastoma 0.0 20.1 0.0 0.0 0.0 11.9 5.9 6.2 -
Total 109.1 161.0 82.5 58.2 91.9 107.3 99.5 101.8 0.9
  1. 1Rates per 1,000,000 child/years; 2M/F = Ratio male/female; AAI = Average annual incidence; AAS = Average annual age-standardized incidence; CNS = Central Nervous System.