Cytokeratin 20 (CK20) PCR of non-cancer control blood and bone marrow samples
| Number of positive tests out of four CK20 PCRs/sample | ||||||
|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | Positive/total patients | |
| Blood | 37 | 9 | 1 | 0 | 0 | 10/47 |
| Healthy donor | 13 | 3 | 0 | 0 | 0 | 3/16 |
| Non-cancer colon patient | 9 | 4 | 0 | 0 | 0 | 4/13 |
| Non-cancer/non-colon patient | 15 | 2 | 1 | 0 | 0 | 3/18 |
| Bone marrow | 11 | 4 | 0 | 0 | 0 | 4/15 |
| Non-cancer colon patient | 1 | 1 | 0 | 0 | 0 | 1/2 |
| Non-cancer/non-colon patient | 10 | 3 | 0 | 0 | 0 | 3/13 |