Table 1 Overview of performance indicators in screening mammography in Denmark 2008–2015
Performance indicator | Invitation round | |||
|---|---|---|---|---|
First 2008–2009% | Second 2010–2011% | Third 2012–2013% | Fourth 2014–2015% | |
Coverage of examination | 75.4 (75.3–75.5) | 75.0 (74.8–75.1) | 76.7 (76.6–76.8) | 76.4 (76.3–76.5) |
Participation after invitation | 76.4 (76.3–76.5) | 81.8 (81.7–81.9) | 84.3 (84.3–84.4) | 82.1 (82.0–82.2) |
Detection rate | 0.93 (0.91–0.96) | 0.62 (0.60–0.64) | 0.67 (0.65–0.69) | 0.61 (0.59–0.64) |
False-positive rate | 2.04 (2.00–2.08) | 2.08 (2.04–2.12) | 2.07 (2.03–2.11) | 1.88 (1.84–1.92) |
Invasive | 87.5 (86.5–88.4) | 86.3 (85.0–87.5) | 86.4 (85.2–87.4) | 85.8 (84.5–86.9) |
DCIS | 12.6 (11.6–13.5) | 13.7 (12.5–15.0) | 13.6 (12.6–14.8) | 14.2 (13.1–15.5) |
Lymph node neg | 69.8 (68.4–71.2) | 74.5 (72.8–76.2) | 78.2 (76.7–79.6) | 80.4 (78.8–81.8) |
Small tumor | 36.1 (34.4–37.8) | 40.1 (38.2–42.1) | 39.8 (38.0–41.5) | 40.1 (38.3–42.0) |
Interval cancer rate | 17.9 (16.9–19.1) | 28.9 (27.3–30.5) | 26.3 (24.9–27.8) | NA |
Sensitivity | 82.1 (81.1–83.1) | 71.2 (69.8–72.5) | 73.7 (72.5–74.8) | NA |
Specificity | 97.9 (97.9–98.0) | 97.9 (97.9–97.9) | 97.9 (97.9–98.0) | NA |