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| HR (95% CI) | p value | |
|---|---|---|
| Age | ||
| ≤50 years | 1 (ref.) | |
| >50 years | 0.7 (0.4–1.0) | 0.07 |
| Tumor size | ||
| ≤2 cm | 1 (ref.) | |
| >2 cm | 2.3 (1.5–3.5) | <0.0001 |
| ER status | ||
| Negative | 1 (ref.) | |
| Positive | 1.0 (0.6–1.6) | 0.9 |
| Nodes | ||
| Negative | 1 (ref.) | |
| Positive | 1.4 (0.9–2.1) | 0.1 |
| Grade | ||
| 1 | 1 (ref.) | |
| 2 | 1.2 (0.7–2.0) | |
| 3 | 1.0 (0.5–1.8) | 0.9 |
| Insulin gene score | ||
| Low | 1 (ref.) | |
| High | 1.5 (1.0–2.3) | 0.04 |
