Total screening centres (n = 13) | Â |
   Women with at least one negative mammography, n | 376,257 |
   Total negative mammographies, n | 647,876 |
   Negative mammographies with RES |  |
n | 4171 |
% | 0.64 |
Screening centres using RES (n = 8) | Â |
   Women with at least one negative mammography, n | 188,348 |
   Total negative mammographies, n | 313,320 |
   Negative mammographies with RES |  |
% | 1.33 |
%, range between centres | 0.05-4.33†|
%, woman's age 50-59 versus 60-69 years | 1.51 versus 1.14‡ |
%, first versus subsequent screening rounds | 2.15 versus 1.08‡ |
%, centres with recall rate <6.2% versus ≥6.2%* | 1.63 versus 1.06‡ |