Screening for Familial Colorectal Cancer Risk amongst Colonoscopy Patients New to an Open-Access Endoscopy Center

Table 3

Identification of patients with hereditary/familial risk factors (𝑁=287, 𝑛=136).

Risk criterion met	𝑁	%	𝑛	%	Late to 1st c-scope	%
Hereditary risk criterion met by patient
Amsterdam I criteria	1	0.3
Amsterdam II criteria	3	1.0
Revised Bethesda guidelines	38	13.2
Familial risk criterion met by patient
Px hx of colorectal polyps	39	13.6
Px hx of colorectal cancer	6	2.1
Fx hx of colorectal polyps	100	34.8
Fx hx of colorectal cancer	94	32.8
Fx hx of CR polyps in 1st degree relative(s)	93	32.4
Fx hx of CR cancer in 1st degree relative(s)	49	17.1
Familial risk criterion met by newcomer to colonoscopy
Fx hx of CR polyps in 1st degree relative(s)			46	33.8	38	82.6
Fx hx of CR cancer in 1st degree relative(s)			16	11.8	11	68.8
Fx hx of either CR polyps and/or CRC in 1st degree relative(s)			56	41.2	44	78.6

Px hx: personal history, Fx hx: family history.