Table 1.

Characteristics of Participating Families

Characteristic	No. ofFamilies	Average Age(years)at Diagnosisof GenotypedAffectedIndividuals (SD)	Average No.of AffectedMen perFamily (Range)	Average No.of AffectedMen Genotypedper Family(Range)
All families	172	62.7 (9.43)	3.8 (2–14)	2.6 (2–7)
White	154	63.1 (9.31)	3.7 (2–13)	2.6 (2–7)
Black	16	59.7 (9.64)	5.1 (2–14)	2.5 (2–4)
Asian/Pacific Islander	2	56.4 (12.82)	5.0 (5)	2.0 (2)
<5 affected members	148	62.7 (9.60)	3.3 (2–4)	2.4 (2–4)
⩾5 affected members	24	62.4 (8.63)	7.1 (5–14)	3.3 (2–7)
Average age at diagnosis <66 years	108	59.8 (8.98)	3.7 (2–14)	2.5 (2–5)
Average age at diagnosis ⩾66 years	64	67.4 (8.14)	4.1 (3–12)	2.6 (2–7)
Male-to-male transmission	122	62.7 (9.86)	4.1 (2–14)	2.6 (2–7)
No male-to-male transmission	50	62.5 (8.26)	3.1 (2–6)	2.5 (2–5)