| 2WW referral criteria | Patients, n | Cancers, n | FOBs, n | FOBs within 6/52 of referral, n | +ve FOB, n | Cancer in FOB +ve patients, n |
| Palpable right-sided abdominal mass | 92 | 10 | 9 | 1 | 0 | 0 |
| Palpable rectal rectal mass | 96 | 20 | 6 | 2 | 0 | 0 |
| Rectal bleeding with a COBH >6 weeks | 368 | 41 | 22 | 11 | 7 | 1 |
| Persistent rectal bleeding without COBH | 314 | 27 | 24 | 5 | 5 | 0 |
| COBH >6 weeks | 668 | 46 | 54 | 14 | 3 | 0 |
| Iron deficiency anaemia | 462 | 34 | 54 | 23 | 11 | 1 |
COBH, change of bowel habit.