From: Impact of false-positive mammography on subsequent screening attendance and risk of cancer
Group | Number | Percent |
---|---|---|
All women eligible for screening in the first round | 203,194 | 100.0 |
Those not aged 49–63 years and hence ineligible for reinvitation to the second round | 337,668 | 16.6 |
Those not invited as routine first screen | 7272 | 3.6 |
Those not invited within schedule (see Methods) | 21,769 | 10.7 |
Those eligible for reinvitation, invited as routine first screen, within schedule | 140,387 | 69.1 |
Those eligible for reinvitation, invited as routine first screen, within schedule | 140,387 | 100.0 |
Those judged normal at first screen (nonassessed normal group)a | 108,617 | 77.4 |
Nonresponders to first invitation | 24,048 | 17.0 |
Technical (and clinical) recalls | 1385 | 1.0 |
Those assessed immediately after first screen and judged normal (assessed normal group)a | 4278 | 3.0 |
Those assessed immediately after first screen then undergoing benign biopsy (assessed benign group)a | 514 | 0.4 |
Those assessed immediately after first screen then diagnosed with cancer | 680 | 0.5 |
Those assessed immediately after first screen and put on early recall | 753 | 0.5 |
Those assessed immediately after first screen then undergoing delayed episode completion (includes nonresponders, delayed responders, those who moved or died, etc.) | 112 | 0.1 |