Table 2. Age-adjusted incidence rates of screen detected ductal carcinoma in situ (DCIS) and invasive breast cancer (per 100,000 European standard population) by period and first or subsequent screen.

	First screen				Subsequent screen
	DCIS		Invasive breast cancer		DCIS		Invasive breast cancer
Period (3-years)	No. of cases	Rate	No. of cases	Rate	No. of cases	Rate	No. of cases	Rate
1992–1994	116	60.5	681	357.8	24	39.7	162	266.4
1995–1997	185	65.4	1,037	378.8	127	43.7	666	221.2
1998–2000	257	64.7	1,544	426.1	236	40.7	1,365	222.9
2001–2003	235	69.9	1,140	409.0	414	43.6	2,377	236.6
2004–2006	203	70.3	846	372.3	582	45.8	3,033	228.7
Overall	996	66.8	5,248	394.0	1,383	43.9	7,603	229.9