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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Genet Med. 2009 Oct;11(10):728–734. doi: 10.1097/GIM.0b013e3181b3f42d

Table 2.

Time since last colonoscopy

Interval Entire sample (n=46) Mutation-positive families (n=23) Indeterminate Families (n=23)
N (Na) % N % N %
Within the past year 14 (9) 30.4 9 39.1 5 21.7
Between 1-2 years ago 11 (6) 23.9 4 17.4 7 30.4
Between 2-3 years ago 8 (4) 17.4 3 13.0 5 21.7
More than 3 years ago 6 (3) 13.0 4b 17.4 2 8.7
Never 7 (0) 15.2 3c 13.0 4 17.4
a

Number with cancer history.

b

Includes 2 individuals with identified mutations

c

Includes 2 individuals who have not received genetic testing for the family mutation and 1 individual who is mutation negative, but over 50.