Table 3.
Univariate | Multiadjusted modela | |
---|---|---|
HR (95% CI) | HR (95% CI) | |
Age category (years) | ||
<50 | 1 | 1 |
50–69 | 0.89 (0.43–1.82) | 0.90 (0.41–1.99) |
≥70 | 1.74 (0.78–3.88) | 2.00 (1.00–4.88) |
Birthplace | ||
Europe + North America | 1 | 1 |
Other | 2.22 (1.13–4.35)* | 2.40 (1.17–4.95)* |
Familial history | ||
Without | 1 | |
Moderate | 0.95 (0.46–1.94) | |
High | 0.53 (0.13–2.21) | |
Unknown | – | |
Method of detection | ||
Screening | 1 | 1 |
Self‐examination | 3.24 (1.13–9.31)* | 2.49 (0.83–7.48) |
Clinical exam | 3.43 (0.77–15.3) | 3.05 (0.65–14.4) |
Fortuitous | 4.06 (1.21–13.6)* | 2.45 (0.68–8.84) |
Unknown | – | – |
Sector of care | ||
Private | 1 | |
Public | 1.18 (0.63–2.19) | |
Genetic counseling consultation | ||
No | 1 | |
Yes | 0.49 (0.18–1.32) | |
Histology | ||
Ductal | 1 | |
Lobular | 2.17 (0.67–7.05) | |
Other | 0.50 (0.12–2.10) | |
Multifocality | ||
No | 1 | |
Yes | 1.64 (0.81–3.36) | |
In situ component | ||
No | 1 | |
Yes, ductal | 1.88 (0.88–4.03) | |
Yes, other | 2.46 (0.54–11.3) | |
Unknown | 2.90 (1.18–7.14) | |
Lymph nodes status | ||
Positive | 1 | 1 |
Negative | 0.39 (0.21–0.73)** | 0.47 (0.24–0.95)* |
Tumor size (cm) | ||
<2 | 1 | 1 |
<5 | 1.90 (0.81–4.45) | 1.55 (0.74–3.76) |
≥5 | 3.85 (1.18–12.5)* | 2.51 (0.69–9.20) |
Unknown | 3.08 (1.35–7.03)** | 1.76 (0.72–4.34) |
Stage | ||
I | 1 | |
II | 1.97 (0.78–5.00) | |
III | 5.90 (2.34–14.9)*** | |
Differentiation | ||
Well/Moderately | 1 | 1 |
Poorly | 1.08 (0.53–2.17) | 0.96 (0.45–2.06) |
Unknown | 4.93 (1.08–22.4)* | 5.00 (0.92–27.0) |
Chemotherapy | ||
Yes | 1 | |
No | 1.29 (0.62–2.70) | |
Unknown | – |
HR, hazard ratio; CI, confidence interval.
P‐value *<0.05; **<0.01; ***<0.001.
Model adjusted on: age, place of birth, method of detection, axillary lymph node status, pathological tumor size, and differentiation.