Table 2.
Age and ER status of 1057 and 1047 primary consecutive breast cancer patients surgically treated in the years 2005–2006 at Cancer Hospital-Fudan University of Shanghai and INT of Milan, respectively
| Chinese series (%) | Caucasian series (%) | P-value | |
|---|---|---|---|
| Number of patients | 1057 (100) | 1047 (100) | |
| Age (years) | |||
| Median | 51 | 59 | <0.001 |
| Range | 23–85 | 25–92 | |
| ≤50 | 487 (46) | 324 (31) | |
| >50 | 570 (54) | 723 (69) | |
| ER status | |||
| Positive | 663 (63) | 885 (85) | <0.001 |
| Negative | 394 (37) | 162 (15) | |
ER (estrogen receptor) status was assessed by immunohistochemistry.