Characteristics | OR (95% CI) | P-value | OR (95% CI) | P-value |
---|---|---|---|---|
Unadjusted | Adjusted for age | |||
Age at diagnosis | ||||
< 40 | 0.4 (0.2-0.7) | 0.001 | ||
40-49 | 1.3 (0.8-2.0) | 0.306 | ||
50-59 | Ref | |||
60-69 | 0.8 (0.6-1.2) | 0.230 | ||
70-79 | 0.7 (0.5-1.2) | 0.203 | ||
≥ 80 | 0.2 (0.1-0.4) | < 0.001 | ||
Tumour stage | ||||
T1 | Ref | Ref | ||
T2 | 1.2 (0.9-1.6) | 0.258 | 1.5 (1.1-2.1) | 0.011 |
T3-T4 | 2.5 (0.8-7.1) | 0.098 | 3.7 (1.2-11.2) | 0.023 |
Unknown | 1.2 (0.8-2.0) | 0.368 | 1.3 (0.8-2.1) | 0.286 |
Histopathological type | ||||
Ductal | Ref | Ref | ||
Lobular | 1.3 (0.8-2.0) | 0.256 | 1.3 (0.9-2.1) | 0.188 |
Other | 0.8 (0.5-1.4) | 0.454 | 1.0 (0.6-1.6) | 0.915 |
Unknown | 0.8 (0.2-4.2) | 0.803 | 1.0 (0.2-5.8) | 0.964 |
Histological grade | ||||
Grade 1 | Ref | Ref | ||
Grade 2 | 1.0 (0.7-1.7) | 0.858 | 1.0 (0.6-1.6) | 0.992 |
Grade 3 | 1.5 (0.9-2.5) | 0.124 | 1.6 (0.9-2.7) | 0.108 |
Unknown | 1.3 (0.7-2.4) | 0.417 | 1.2 (0.6-2.3) | 0.550 |
Axillary lymph node metastasis | ||||
0 | Ref | Ref | ||
1-3 | 2.1 (1.5-3.0) | < 0.001 | 2.2 (1.6-3.1) | < 0.001 |
≥ 4 | 2.0 (1.3-3.2) | 0.004 | 2.1 (1.3-3.4) | 0.002 |
Unknown | 0.7 (0.4-1.2) | 0.175 | 1.3 (0.7-2.6) | 0.415 |
Neoadjuvant treatment | ||||
No | Ref | Ref | ||
Yes | 1.3 (0.9-1.9) | 0.220 | 1.4 (0.9-2.1) | 0.098 |
Type of antihormonal treatment | ||||
Tamoxifen only | Ref | Ref | ||
Tamoxifen ➔ AI | 2.4 (1.6-3.7) | < 0.001 | 1.6 (1.0-2.6) | 0.034 |
AI only | 2.0 (1.3-3.0) | 0.001 | 1.5 (0.9-2.4) | 0.099 |
AI ➔ Tamoxifen | 1.9 (1.1-3.4) | 0.031 | 1.3 (0.7-2.4) | 0.484 |
More than one switch | 2.0 (1.0-4.0) | 0.060 | 1.3 (0.6-2.8) | 0.437 |
No antihormonal treatment registered | 0 | 0.996 | 0 | 0.995 |
Switch at two years | ||||
Noa | Ref | Ref | ||
Yes | 1.7 (1.0-2.8) | 0.033 | 1.5 (0.9-2.4) | 0.141 |
Monotherapy | 0.9 (0.6-1.3) | 0.473 | 1.0 (0.7-1.5) | 0.988 |
No antihormonal treatment registered | 0 | 0.995 | 0 | 0.995 |
Radiation therapy | ||||
No | Ref | Ref | ||
Yes | 1.8 (1.3-2.4) | < 0.001 | 1.2 (0.9-1.7) | 0.209 |
Chemotherapy | ||||
No | Ref | Ref | ||
Yes | 3.0 (2.2-3.9) | < 0.001 | 3.8 (2.6-5.5) | < 0.001 |