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. Author manuscript; available in PMC: 2016 Jun 13.
Published in final edited form as: Genet Med. 2015 Jan 15;17(10):815–821. doi: 10.1038/gim.2014.199

Table 1.

Characteristics of Eligible Subjects (n=6169)

n (%)
Male (%) 3086 (50%)
Ancestry/Race (%)
  Western European 4358 (70.6%)
  Eastern European 413 (6.7%)
  Ashkenazi 270 (4.4%)
  Asian 151 (2. 5%)
  African American 382 (6.2%)
  Latin
  American/C aribbean
385 (6.2%)
  Native American 69 (1.1%)
  Near/Middle Eastern 48 (0.8%)
  Other 93 (1.5%)
Age at first colorectal
adenoma diagnosis
(mean±SE)
45±.2
Adenoma count, No. (%)
  0 933 (15.1%)
  <10 871 (14.1%)
  10–19 726 (11.8%)
  20–99 2477 (40.2%)
  100–999 1066 (17.3%)
  ≥1000 96 (1.6%)
Age at CRC diagnosis
(mean±SE)
46.5±.4
History of CRC (%)
  CRC and adenoma 1292 (20.9%)
  CRC alone 368 (6.0%)
  CRC (total) 1660 (27%)
First-degree relative with
CRC (%)
1929 (31.3%)

Abbreviations: CRC, colorectal cancer