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. 2015 Apr 2;3(2):E149–E157. doi: 10.9778/cmajo.20140073

Table 2: Exposure to colorectal cancer screening tests* by age and sex.

Variable Screening test, % of patients
FOBT FS or colonoscopy Either or both
Within recommended age range (50–74 yr)



50–54
21.2
27.0
41.8
55–59
29.4
36.4
54.7
60–64
34.7
40.7
61.0
65–69
34.6
43.5
62.5
70–74
36.4
46.5
65.3
Male
30.0
37.6
54.9
Female
30.2
36.9
55.5
Outside recommended age range, yr



40–44
5.1
12.3
15.6
45–49
7.2
16.7
21.5
75–79
34.0
43.0
60.4
≥ 80
23.4
36.8
49.7
Male
12.8
20.1
27.5
Female 11.3 22.3 28.6

*Fecal occult blood test (FOBT) within the preceding 2 years, or flexible sigmoidoscopy (FS) or colonoscopy within the preceding 10 years.