Patient categories | All patients (n = 524) | No available tissuea (n = 231) | Excluded for other reasonsb (n = 134) | Included for analysis (n = 159) |
---|---|---|---|---|
Mean age at breast cancer diagnosis (years) | 58 | 57 | 58 | 58 |
Mean tumor size (mm) | 20 | 16 | 24 | 22 |
Proportion of patients with tumor size <21 mm (%) | 68 | 77 | 57 | 62 |
Proportion of patients with positive lymph nodes (%) | 26 | 16 | 32 | 38 |
Proportion deceased (%) | 20 | 12 | 26 | 24 |