Table 2.

Prostate cancer risk based on family history

Family history	Average PCa risk by age 65 (%)		Average PCa risk by age 75 (%)
	Any PCa	High-risk PCa	Any PCa	High-risk PCa
General population	4.8	1.4	12.9	5.2
1 brother, any PCa	14.9	3.0	30.3	8.9
1 brother, high-risk PCa	16.1	3.4	31.7	9.3
Father, any PCa + 1 brother, any PCa	29.8	5.6	47.8	13.8
Father died of PCa + brother, any PCa	29.8	6.6	45.0	12.7
2 brothers, any PCa	34.4	12.0	55.1	13.4
Father, any PCa + 2 brothers, any PCa	43.9	11.4	63.6	20.5

PCa: prostate cancer.