| Groups | Preliminary group (n = 120) | Test group (n= 120) |
|---|---|---|
| Noncancer cohort | ||
| Healthy people | 31 | 31 |
| Colorectal polypoid adenoma | 5 | 5 |
| Colorectal papillary adenoma | 4 | 4 |
| Familial intestinal polyposis | 3 | 3 |
| Inflammatory or hyperplasia polypus | 4 | 4 |
| Colorectal cancer patients | ||
| Duke’s A | 10 | 10 |
| Duke’s B, C, D | 63 | 63 |