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Table 1 Age-adjusted results for all, DM and SFM examinations between 2004 and 2011 (49–74)

From: Detection and interval cancer rates during the transition from screen-film to digital mammography in population-based screening

 

All (95% C.I.)

DM (95% C.I.)

SFM (95% C.I.)

No. screens

7,343,327

2,620,442

4,722,885

No. screen-detected cancers

41,662

16,400

25,262

No. interval cancers

16,160

5748

10,412

No. false-positives

88,862

38,621

50,241

No. recalls

130,524

55,021

75,503

Recall rate

17.8 (17.7–17.9)

21.0 (20.8–21.2)

16.0 (15.9–16.1)

False positive rate

12.1 (12.0–12.2)

14.8 (14.7–15.28)

10.6 (10.5–10.7)

Detection rate (all)

5.7 (5.6–5.7)

6.2 (6.1–6.3)

5.4 (5.3–5.4)

Detection rate DCIS

0.94 (0.92–0.96)

1.1 (1.1–1.2)

0.83 (0.81–0.86)

Detection rate invasive

4.7 (4.7–4.8)

5.1 (5.0–5.2)

4.5 (4.5–4.6)

Interval cancer rate

2.2 (2.2–2.2)

2.2 (2.1–2.3)

2.2 (2.2–2.3)

Programme sensitivity (%)

71.4 (71.1–71.8)

73.6 (73.0–74.2)

70.1 (69.6–70.6)

Programme specificity (%)

98.8 (98.8–98.8)

98.5 (98.5–98.5)

98.9 (98.9–98.9)

Positive predictive value (%)

33.5 (33.2–33.7)

31.5 (31.1–31.9)

34.9 (34.5–35.2)

  1. Rates are presented per 1000 screens