Table 3.
Odds ratios (ORs) of breast cancer with 95% confidence intervals (CI) for joint exposure to symptoms1
| Symptoms | Screened women | Cancer cases (%) | Detection rate (per 1,000) | OR | 95% CI |
|---|---|---|---|---|---|
| Lump#retraction | 36,036 | 695 (1.93) | 19.3 | ||
| 0 0 | 1,162,374 | 5,829 (0.50) | 5.01 | Ref. | Ref. |
| 0 1 | 20,449 | 198 (0.97) | 9.68 | 1.94 | 1.68–2.24 |
| 1 0 | 15,156 | 453 (2.99) | 28.9 | 6.15 | 5.55–6.74 |
| 1 1 | 431 | 44 (10.2) | 102 | 22.6 | 16.5–30.8 |
| Lump#scar | 152,515 | 1,380 (0.90) | 9.05 | ||
| 0 0 | 1,045,895 | 5,144 (0.49) | 4.92 | Ref. | Ref. |
| 0 1 | 136,928 | 883 (0.64) | 6.45 | 1.31 | 1.22–1.41 |
| 1 0 | 12,378 | 414 (3.34) | 33.4 | 7.0 | 6.32–7.75 |
| 1 1 | 3,209 | 83 (2.59) | 25.9 | 5.37 | 4.31–6.69 |
| Retraction#scar | 157,121 | 1,162 (0.74) | 7.4 | ||
| 0 0 | 1,041,289 | 5,362 (0.51) | 5.15 | Ref. | Ref. |
| 0 1 | 136,241 | 920 (0.68) | 6.75 | 1.31 | 1.22–1.41 |
| 1 0 | 16,984 | 196 (1.15) | 11.5 | 2.26 | 1.95–2.60 |
| 1 1 | 3,896 | 46 (1.18) | 11.8 | 2.31 | 1.72–3.09 |
1
Symptoms include women, radiographer reported or both.
Abbreviations: 0: absence of symptom; 1: presence of symptom; OR: odds ratio; CI: confidence interval; ref.: reference.