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

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

AN OutcomesRisk Tool TertileEstimated CRC risk, % (Range)Prevalence of AN % (95% CI)
5 yearsT1 (n979)0.58 (0.72)6.6.54 (4.99, 8.09)
T2 (n = 977)1.21 (0.58)11.26 (9.28, 13.24)
T3 (n = 978)2.09 (6.28)14.21 (12.02, 16.40)
10 yearsT1 (n978)1.43 (1.60)6.34 (4.81, 7.87)
T2 (n = 978)2.59 (0.98)11.25 (9.27, 13.23)
T3 (n = 978)4.18 (11.24)14.42 (12.22, 16.62)
20 yearsT1 (n = 836)3.42 (2.61)7.54 (5.75, 9.33)
T2 (n = 836)4.95 (1.39)10.53 (8.45, 12.61)
T3 (n = 836)7.48 (12.34)12.44 (10.2, 14.68)
  1. T Tertile and is ranked in order of low (T1) to high (T3) risk score, N Number, CI Confidence interval