Table 1.

Incidence of Breast Cancer and Breast Cancer Fatal Within 10 Years of Diagnosis for All Breast Cancers Diagnosed Through 2005 in the Prescreening and Screening Eras According to Mammography Screening Participation Among Women With 10 Years of Follow‐Up

Screening Participation	Years of Diagnosis	Incidence of Breast Cancer per 100,000 Women Aged 40 to 69 Years (No./Total No.)	Incidence of Breast Cancer Fatal Within 10 Years (No./Total No.)
No (Pre‐screening)	1958‐1976	122.1 (1225/1,003,673)	55.0 (552/1,003,673)
No (During screening)	1977‐2005	197.7 (727/367,721)	62.3 (229/367,721)
Yes (During screening)	1977‐2005	229.2 (2561/1,117,483)	25.1 (280/1,117,483)