| Sera from patients with benign breast disease used to define cut-off | Sera from age-matched healthy females used to define cut-off | ||
---|---|---|---|---|
 | P< 0.0001 | P= 0.0007 | ||
 | Breast cancer n (%) | Benign disease n (%) | Breast cancer n (%) | Healthy females n (%) |
negative | 271 (69) | 97 (90) | 272 (69) | 85 (86) |
positive1 | 124 (31) | 11 (10) | 123 (31) | 14 (14) |
strong positive2 | 97 (24) | 8 (7) | 80 (20) | 7 (7) |