Table 3:
Comparison of index colonoscopy and non-inflammatory bowel disease risk factors for interval colorectal cancer in patients with and without inflammatory bowel disease
| IBD | Non-IBD | P | |
|---|---|---|---|
| Female, n (%) | 4 (26.7) | 103 (44.6) | 0.18 |
| Age at index colonoscopy, mean (SD) | 52.8 (15.6) | 67.5 (11.7) | <0.0001 |
| Age of CRC diagnosis, mean (SD) | 54.5 (15.7) | 70.4 (11.8) | <0.0001 |
| Time from index colonoscopy to cancer diagnosis (months), mean (SD) | 20.7 (14.1) | 35.1 (16.1) | 0.0009 |
|
Indication for index colonoscopy | |||
| Screening, n (%) | 10 (66.7) | 67 (29.1) | 0.002 |
| Surveillance, n (%) | 3 (20.0) | 103 (44.8) | 0.06 |
| Diagnostic, n (%) | 2 (13.3) | 60 (26.1) | 0.27 |
| Cecum intubated, n (%) | 14 (93.3) | 210 (92.1) | 0.86 |
| Adequate prep, n (%) | 10 (76.9) | 154 (75.1) | 0.88 |
| Personal History of CRC, n (%) | 2 (13.3) | 38 (16.5) | 0.75 |
| HNPCC or FAP1, n (%) | 0 (0.0) | 7 (3.0) | 0.49 |
| Family history CRC, n (%) | 2 (13.3) | 23 (10.0) | 0.67 |
1
HNPCC = Hereditary nonpolyposis colorectal cancer, FAP = Familial Adenomatous Polyposis