Breast cancer characteristic | Medical record (%)b | Self-reportb | PPV (%) |
---|---|---|---|
Invasiveness | |||
Invasive | 1533 (76) | 1191 (63) | 99.3 |
In situ | 472 (24) | 711 (37) | 64.2 |
Unknown | 3 | 106 | |
Locationc | |||
Ductal (any) | 1804 (90) | 1562 (88) | 98.9 |
Lobular only | 190 (10) | 215 (12) | 75.7 |
Unknown | 9 | 226 | |
Stage | |||
0 | 471 (24) | 563 (32) | 71.1 |
I | 1035 (52) | 712 (41) | 92.1 |
II | 380 (19) | 352 (20) | 67.9 |
III/IV | 117 (6) | 128 (7) | 71.1 |
Unknown | 5 | 253 | |
Among medically confirmed invasive cases:d | |||
ER | |||
Positive | 1277 (85) | 1104 (83) | 99.1 |
Negative | 217 (15) | 234 (17) | 83.0 |
Unknown | 39 | 195 | |
PR | |||
Positive | 1081 (73) | 643 (62) | 98.9 |
Negative | 404 (27) | 402 (38) | 71.6 |
Unknown | 48 | 488 | |
HER2 | |||
Positive | 167 (12) | 232 (22) | 66.1 |
Negative | 1271 (88) | 845 (78) | 99.1 |
Unknown | 95 | 456 |