Table 3

Impact of NICE guidelines

Diagnostic yield of CRCDiagnostic yield of IBDOverall diagnostic yieldOR
CRC NICE criteria positive (n=592)3% (n=17)n/an/a7.71 (95% CI 1.77 to 33.56, p=0.0064)
CRC NICE criteria negative (n=524)0.4% (n=2)n/an/a
IBD NICE criteria positive (n=517)n/a9% (n=48)n/a3.5 (95% CI 1.99 to 6.17, p<0.0001)
IBD NICE criteria negativen/a2.8% (n=17)n/a
CRC +IBD‚ÄČNICE criteria positive
(n=899)
n/an/a15% (n=133)1.44 (95% CI 0.919 to 2.278, p=0.11)
CRC +IBD‚ÄČNICE criteria negative
(n=217)
n/an/a13% (n=28)
  • CRC, colorectal cancer; IBD, inflammatory bowel disease; n/a, not applicable; NICE, National Institute for Health and Care Excellence.