1. Volume 381, Issue 9873, Pages 1185-1193 (April 2013)
Computed tomographic colonography versus barium enema for diagnosis of colorectal cancer or large polyps in symptomatic patients (SIGGAR): a multicentre randomised trial 
Prof Steve Halligan, FRCR, Kate Wooldrage, MSc, Edward Dadswell, MSci, Ines Kralj-Hans, PhD, Christian von Wagner, PhD, Rob Edwards, PhD, Guiqing Yao, PhD, Prof Clive Kay, FRCR, David Burling, FRCR, Omar Faiz, FRCS, Julian Teare, FRCP, Prof Richard J Lilford, FFPHM, Prof Dion Morton, FRCS, Prof Jane Wardle, PhD, Prof Wendy Atkin, PhD 
The Lancet 
Volume 381, Issue 9873, Pages (April 2013)
DOI: /S (12)
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2. Figure 1
Trial profile
*Reasons why patients were not randomised can be found in the appendix. †19 had an alternative whole-colon examination; 52 did not have a whole-colon examination. ‡85 had an alternative whole-colon examination; 142 did not have a whole-colon examination.
The Lancet  , DOI: ( /S (12) )
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3. Figure 2
Detection of colorectal cancer or large (≥10mm) polyps by sex and age group
The Lancet  , DOI: ( /S (12) )
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