Table 4 Adjusted Odd Ratios (OR) and 95% Confidence Intervals (CI) from the multiple logistic regression analysis for postoperative radiotherapy compared to omission of radiotherapy
Variable | OR | 95% CI | p |
|---|---|---|---|
Age at diagnosis | < 0.001 | ||
< 50 years | 2.559 | 1.416–4.625 | |
50–69 y | 2.761 | 1.701–4.481 | |
≥ 70 y | 1 | ||
Tumour localisation | 0.403 | ||
Right | 1 | ||
Left | 0.857 | 0.597–1.230 | |
Multifocality | 0.778 | ||
no | 1.117 | 0.519–2.406 | |
yes | 1 | ||
Resection margins | 0.663 | ||
R0 | 1 | ||
R1–2 | 1.290 | 0.410–4.061 | |
Hormone receptor status | 0.001 | ||
Positive | 1 | ||
Negative | 2.625 | 1.458–4.728 | |
Endocrine therapy | 0.029 | ||
no | 1 | ||
yes | 1.762 | 1.060–2.927 | |