Advanced neoplasia in Veterans at screening colonoscopy using the National Cancer Institute Risk Assessment Tool

BMC Cancer

Table 2 Estimated colorectal cancers and prevalence of advanced neoplasia by risk score tertile

AN Outcomes	Risk Tool Tertile	Estimated CRC risk, % (Range)	Prevalence of AN % (95% CI)
5 years	T_{1 (n979)}	0.58 (0.72)	6.6.54 (4.99, 8.09)
	T_{2 (n = 977)}	1.21 (0.58)	11.26 (9.28, 13.24)
	T_{3 (n = 978)}	2.09 (6.28)	14.21 (12.02, 16.40)
10 years	T_{1 (n978)}	1.43 (1.60)	6.34 (4.81, 7.87)
	T_{2 (n = 978)}	2.59 (0.98)	11.25 (9.27, 13.23)
	T_{3 (n = 978)}	4.18 (11.24)	14.42 (12.22, 16.62)
20 years	T_{1 (n = 836)}	3.42 (2.61)	7.54 (5.75, 9.33)
	T_{2 (n = 836)}	4.95 (1.39)	10.53 (8.45, 12.61)
	T_{3 (n = 836)}	7.48 (12.34)	12.44 (10.2, 14.68)

T Tertile and is ranked in order of low (T₁) to high (T₃) risk score, N Number, CI Confidence interval

ISSN: 1471-2407