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. Author manuscript; available in PMC: 2011 May 10.
Published in final edited form as: Am J Gastroenterol. 2010 Mar 30;105(8):1851–1860. doi: 10.1038/ajg.2010.120

Table 2.

Multivariate analysis [1] of factors predicting appropriate CRC surveillance for LS (N=180) [2]

Characteristic Odds Ratio[95% CI] p-value
Age 0.05
 less than 40 years old 1.00--
 40–49 years old 0.92[0.28–2.96]
 50 years old and above 2.45[0.86–7.03]
Colorectal Cancer 0.03
 Have had CRC 2.81[1.12–7.04]
 Have not had CRC ----
Genetic Evaluation 0.02
 Had genetic evaluation 4.62[1.66–12.87]
 Did not have genetic evaluation ----
First Degree Relative (FDR) with CRC at <50 years old 0.01
 Yes 2.61[1.23–5.53]
 No ----
Compliant with Age-Appropriate Screening Recommendations 0.10
 Yes 0.46[0.16–1.28]
 No ----
[1]

using Generalized Estimating Equation to control for family effects, with exchangeable working correlation = 0.18

[2]

Includes high-risk individuals who had complete data on all variables