Age at menarche, years | |||
---|---|---|---|
Odds ratio (95% confidence interval)a, b | |||
Tumor characteristic | ≤11 | > 11 and ≤13 | > 13 and ≤14 |
Tumor size | |||
1–10 mm | |||
11–20 mm | 1.00 (0.65–1.53) | 0.96 (0.74–1.25) | 1.01 (0.76–1.33) |
≥21 mm | 1.05 (0.64–1.72) | 1.43 (1.06–1.92) | 1.32 (0.96–1.81) |
Grade | |||
Low | |||
Medium | 2.05 (1.00–4.19) | 1.47 (1.00–2.15) | 1.74 (1.15–2.62) |
High | 2.04 (1.01–4.16) | 1.55 (1.06–2.26) | 1.45 (1.00–2.19) |
ER status | |||
Positive | |||
Negative | 1.33 (0.82–2.16) | 0.94 (0.68–1.29) | 1.15 (0.83–1.61) |
PR status | |||
Positive | |||
Negative | 0.86 (0.54–1.36) | 0.99 (0.75–1.30) | 1.24 (0.93–1.66) |
Lymph node involvement | |||
Absent | |||
Present | 1.49 (1.02–2.19) | 1.29 (1.02–1.65) | 1.22 (0.95–1.58) |
Histology | |||
Ductal | |||
Lobular | 1.17 (0.68–2.01) | 1.08 (0.76–1.52) | 0.99 (0.68–1.43) |
All other | 0.68 (0.39–1.18) | 1.09 (0.81–1.46) | 0.92 (0.66–1.26) |