Table 2

Basic characteristics of breast cancer patients by status of HER-2/neu oncogene amplification

HER-2/neu+ n = 115 Weighted %aHER-2/neun = 462 Weighted %aUnknown status n = 285 Weighted %a
Age at selection
≥50 years556664
<50 years453436
Race
White807980
Black202120
Menopausal status
Postmenopausal626862
Pre/Perimenopausal383238
First-degree family history of breast or ovarian cancer
Yes201620
No808480
Stage
 I364857
II494632
III1157
IV414
  • a Weighted by the probabilities used in the sampling design to allow inferences to the underlying population.