What is the predicted cumulative incidence of breast cancer from age 40 to 64 (i.e., over a 25-year period) among Chinese women? (Assume no deaths during this period.)

Another aspect of the study is to use the SWHS data to predict the long-term incidence of breast cancer in Chinese women. Those incidence data are presented in Table 5.7.

Table 5.7 Incidence rate of breast cancer by age in the SWHS

Age _________________ Annual incidence per 105 women

40–44 …………………………………. 63.8

45–49 …………………………………. 86.6

50–54 …………………………………. 92.6

55–59 …….…………………………. 107.0

60–64 ……………………………….. 120.9