Odds of the development of a PCCRC within 3 years of a colonoscopy
| Characteristic | OR | Lower 95% CI | Upper 95% CI | p Value |
|---|---|---|---|---|
| Year of colonoscopy | 0.94 | 0.93 | 0.95 | <0.01 |
| Sex | ||||
| Male | 1.00 | |||
| Female | 1.13 | 1.06 | 1.20 | <0.01 |
| Age (per year) | 1.00 | 0.99 | 1.00 | <0.01 |
| IMD income category | ||||
| Most affluent | 1.00 | |||
| 2 | 1.01 | 0.92 | 1.11 | 0.76 |
| 3 | 0.92 | 0.84 | 1.01 | 0.09 |
| 4 | 0.99 | 0.90 | 1.09 | 0.90 |
| Most deprived | 1.01 | 0.92 | 1.12 | 0.79 |
| Previous hospital admission for Crohn's disease | ||||
| No | 1.00 | |||
| Yes | 2.54 | 2.11 | 3.06 | <0.01 |
| Previous hospital admission for ulcerative colitis | ||||
| No | 1.00 | |||
| Yes | 5.82 | 5.17 | 6.54 | <0.01 |
| Previous hospital admission for diverticular disease | ||||
| No | 1.00 | |||
| Yes | 1.86 | 1.75 | 1.98 | <0.01 |
| Site of tumour | ||||
| Rectum/sigmoid colon | 1.00 | |||
| Splenic flexure/descending colon | 0.98 | 0.84 | 1.15 | 0.82 |
| Transverse colon | 1.17 | 1.02 | 1.35 | 0.02 |
| Right colon | 1.42 | 1.32 | 1.52 | <0.01 |
| Colon NOS | 2.34 | 2.13 | 2.58 | <0.01 |
| Number of colonoscopies in PCCRC/detected category (per colonoscopy) | 2.93 | 2.71 | 3.15 | <0.01 |
IMD, Index of Multiple Deprivation; PCCRC, post-colonoscopy colorectal cancer; NOS, not otherwise specified.