| Dukes’ Stage A | Dukes’ Stage B | Dukes’ Stage C | Dukes’ Stage D |
|---|
|
|---|
| Screen | Interval | Screen | Interval | Screen | Interval | Screen | Interval |
| Gender | No Difference | No Difference | More Men | More Women | No Difference |
| Deprivation Level | No Difference | No Difference | No Difference | No Difference |
| ASA Grade | No Difference | No Difference | No Difference | No Difference |
| T Stage | No Difference | More T3 | More T4 | No Difference | No Difference |
| N Stage | N/A | N/A | More N1 | More N2 | No Difference |
| Tumour Site | No Difference | No Difference | More Left-Sided | More Right-Sided | No Difference |
| Survival Rate | No Difference | No Difference | Better | Worse | Better | Worse |