Flow chart of patient recruitment to each sub-trial with sample size for each group randomised

<p><b>Copyright information:</b></p><p>Taken from "Design of a multicentre randomized trial to evaluate CT colonography versus colonoscopy or barium enema for diagnosis of colonic cancer in older symptomatic patients: The SIGGAR study"</p><p>http://www.trialsjournal.com/content/8/1/32</p><p>Trials 2007;8():32-32.</p><p>Published online 27 Oct 2007</p><p>PMCID:PMC2174515.</p><p></p