Research Article
Patterns and Prevalence of Germline BRCA1 and BRCA2 Mutations among High-Risk Breast Cancer Patients in Jordan: A Study of 500 Patients
Table 1
Patient characteristics (n = 517).
| Characteristics | Number | (%) |
| Age at diagnosis (years) | Median | 39 | | Range | 19–78 | |
| Hormonal status | ER-positive | 392 | 75.8 | PR-positive | 375 | 72.5 | ER- or PR-positive | 420 | 81.2 | ER- and PR-negative | 97 | 18.8 |
| HER2 status | HER2-positive | 133 | 25.7 | HER2-negative | 318 | 61.5 | Unknown | 66 | 12.7 |
| Triple-negative | 57 | 11.0 |
| Positive family history of breast cancer | 441 | 85.3 |
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ER: rstrogen receptors; PR: progesterone receptors; HER2: human epidermal growth factor receptor.
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