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Table 2 Overdiagnosis estimation by year of birth in Catalonia

From: Breast cancer incidence and overdiagnosis in Catalonia (Spain)

Cohort Overdiagnosis (%) [95% conf. interval]
1935 0.4 -8.8 12.2
1940 23.3 9.1 43.4
1945 30.6 12.7 57.6
1950 46.6 22.7 85.2