Table 2 Likelihood of presentation of interval cancer following an initial screen, and of detection of cancer by screening at the second screening round, by assessment status
From: Impact of false-positive mammography on subsequent screening attendance and risk of cancer
Women with/without cancer | |||||
|---|---|---|---|---|---|
Study group | Total (n) | With (n) | Without (n) | Rate with per 1000 screened (95% CI) | Odds ratio (95% CI) |
Women with/without interval cancer | |||||
All groups | 113,409 | 375 | 113,034 | 3.31 (2.97–3.64) | - |
Nonassessed normal | 108,617 | 329 | 108,288 | 3.03 (2.70–3.35) | 1.00 |
Assessed normal | 4278 | 42 | 4236 | 9.82 (6.86–12.77) | 3.26 (2.36–4.51) |
Assessed benign | 514 | 4 | 510 | 7.78 (0.19–15.38) | 2.58 (0.96–6.95) |
All assessed | 4792 | 46 | 4746 | 9.60 (6.83–12.36) | 3.19 (2.34–4.35) |
Women with/without second round screen-detected cancer | |||||
All groups | 113,409 | 463 | 112,946 | 4.08 (3.71–4.45) | - |
Nonassessed normal | 108,617 | 423 | 108,194 | 3.89 (3.52–4.26) | 1.00 |
Assessed normal | 4278 | 39 | 4239 | 9.12 (6.27–11.96) | 2.35 (1.69–3.27) |
Assessed benign | 514 | 1 | 513 | 1.95 (0–5.75) | 0.50 (0.07–3.55) |
All assessed | 4792 | 40 | 4752 | 8.35 (5.77–10.92) | 2.15 (1.55–2.98) |