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Table 1 Age-specific breast cancer incidence rates per 100,000 women years, B j and competing mortality rates per 100,000 women years, c j established for Caucasian women in the USA when developing GAIL and the comparative values for Singapore as a whole, and for the three main ethnic groups used in risk calculation of GAIL-SBSP and modified GAIL-SBSP

From: Assessing risk of breast cancer in an ethnically South-East Asia population (results of a multiple ethnic groups study)

  Caucasian women (1983–1987) Singaporean (Overall) Singaporean (Chinese) Singaporean (Malay) Singaporean (Indian)
Age J τ j B j c j B j c j B j c j B j c j B j c j
0 – 19 1 20 0 0 0.3 11.7 0.2 10.5 0.5 17.4 0.5 11.0
20 – 24 2 25 1 49.3 1.9 14.3 1.8 11.9 1.1 25.7 2.2 12.9
25 – 29 3 30 7.6 53.1 8.1 14.2 7.0 12.5 15.9 22.5 4.9 19.7
30 – 34 4 35 26.6 62.5 24.8 19.8 25.5 16.8 27.7 47.0 5.9 14.8
35 – 39 5 40 66.1 82.5 57.6 32.6 60.3 29.4 60.0 53.9 31.6 34.8
40 – 44 6 45 126.5 130.7 118.7 58.5 121.5 51.6 123.7 98.6 87.9 60.7
45 – 49 7 50 186.6 218.1 162.6 106.2 169.1 95.1 145.1 175.1 128.4 111.9
50 – 54 8 55 221.1 365.5 187.0 182.1 193.6 165.1 158.4 297.5 147.2 212.6
55 – 59 9 60 272.1 585.2 204.3 319.1 211.0 271.1 167.0 617.7 181.5 445.9
60 – 64 10 65 334.8 943.9 199.1 565.9 202.1 489.6 209.3 1093.0 157.6 853.3
65 – 69 11 70 392.3 1502.8 193.9 989.5 199.8 856.5 131.9 2040.3 219.5 1158.5
70 – 74 12 75 417.8 2383.9 166.5 1798.6 161.3 1624.3 199.1 3034.6 152.5 1932.2
75 – 79 13 80 443.9 3883.2 179.0 3285.3 180.9 3001.6 128.6 5678.6 197.2 3662.0
80 – 84 14 85 442.1 6682.8 189.8 5681.0 191.4 5388.2 188.4 8681.2 125.0 6093.8
>=85 15 90 410.9 14490.8 166.2 11425.5 164.5 11352.1 117.6 13323.5 375.0 11000.0