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Subtypes across the two age groups
| Age group | Total | Luminal A | Luminal B | Triple negative | Erb-B2 | p-value |
|---|---|---|---|---|---|---|
| <40 years | 39.1% (47) | 38.3% (18) | 27.7% (13) | 25.5% (12) | 8.5% (4) | 0.036 |
| >40 years | 60.9% (75) | 42.7% (32) | 34.7% (26) | 16% (12) | 6.7% (5) | <0.0001 |
| Missing | 1 |
