Table I.
The geographic mutation rates (n=437).
| Area | N | BRCA+a (%) | P-value |
|---|---|---|---|
| North China | 201 | 31 (15.4) | 0.5 |
| South China | 151 | 30 (19.9) | |
| Northwest China | 85 | 15 (17.6) | |
| Total | 437 | 76 (17.4) |
a
Both BRCA1 and BRCA2 mutations.
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