Table 4.
Odds ratio (OR) for women with early node-negative disease (T1N1M0) being treated with breast-conserving surgery and radiotherapy (vs. any other surgical procedure, with or without radiotherapy) in each jurisdiction, adjusted for age and tumour size
| No.1 | OR | 95% CI
|
||
|---|---|---|---|---|
| Jurisdiction | ||||
| Northern Europe | 681 | 0.60 | 0.50 | 0.72 |
| Western Europe | 1,595 | 1.57 | 1.36 | 1.81 |
| Southern Europe | 1,848 | 1 | ||
| Eastern Europe | 477 | 0.16 | 0.12 | 0.20 |
| US | 1,185 | 0.80 | 0.69 | 0.94 |
| Age (years) | ||||
| 15–39 | 244 | 1.33 | 0.99 | 1.78 |
| 40–49 | 1,039 | 1.44 | 1.21 | 1.70 |
| 50–59 | 1,558 | 1.38 | 1.19 | 1.60 |
| 60–69 | 1,614 | 1 | ||
| 70–99 | 1,331 | 0.48 | 0.41 | 0.56 |
| Tumour size | ||||
| Less than 5mm (T1a) | 380 | 0.94 | 0.75 | 1.17 |
| 5–10mm (T1b) | 1,650 | 1.31 | 1.16 | 1.48 |
| >10mm, up to 20mm (T1c) | 3,756 | 1 | ||
|
|
||||
1
Number of women with early node-negative disease who were operated, with information on tumour size available