Table 2 Most important results: Performance parameters with regard to investigation. All performance parameters affecting investigation fulfil the requirements of the EU Guidelines 4th edition 1, 24.

Parameter		Reference range EU Guidelines, 4th edition		Results screening Germany 2008–2009
		First examinations	Subsequent examinations	First examinations	Subsequent examinations
3.	Call-back rate	5–7 %	3–5 %	6.1 %	3.0 %
11.	Proportion of preoperatively detected carcinomas	≥ 90 % (3rd ed. > 70 %)		91.7 %
12.	PPV I	n. a.		14.8 %
13.	PPV II	n. a.		49.4 %