Table 1 Breast density and increased breast cancer risk
From: Relationship of mammographic densities to breast cancer risk
ACR.A | ACR.B | ACR.C | ACR.D | |||||
|---|---|---|---|---|---|---|---|---|
Count | % | Count | % | Count | % | Count | % | |
Neg | 11,319 | 97.8 | 23,485 | 97.3 | 11,850 | 96.7 | 1255 | 86.3 |
Pos | 250 | 2.2 | 650 | 2.7 | 400 | 3.3 | 200 | 13.7 |
A vs B | A vs C | A vs D | B vs C | B vs D | C vs D | |||
p | 0.003 | 0 | 0 | 0.002 | 0 | 0 | ||
Sig. | HS | HS | HS | HS | HS | HS | ||
RRR | 1.2531 | 1.5283 | 7.2153 | 1.2196 | 5.7579 | 4.7211 | ||
95 CI | 1.08–1.45 | 1.30–1.79 | 5.94–8.77 | 1.07–1.38 | 4.87–6.81 | 3.95–5.65 | ||
Risk | ACR B Pos.Sig. | ACR C Pos.Sig. | ACR D Pos.Sig. | ACR C Pos.Sig. | ACR D Pos.Sig. | ACR D Pos.Sig. | ||