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) |