Table 1.
Clinical and demographical features of collected samples including normal, adenoma, advanced adenoma, and colon cancer in African American cases for validation of the GPNMB methylation status
| Type | Normal (n = 20) | Adenoma (n = 21) | Adv. Adenoma (n = 48) | Cancer (n = 20) | P value |
|---|---|---|---|---|---|
| Mean age (SD) | 63.3 (15.0) | 62.8 (8.4) | 60.2 (10.9) | 66.4 (20.4) | P = 0.09 |
| Gender (%) | |||||
| Male | 10 (50) | 14 (66) | 24 (50) | 11 (55) | P = 0.6 |
| Female | 10 (50) | 7 (33) | 24 (50) | 8 (45) | |
| Location (%) | |||||
| Proximal | 7 (35) | 16 (76) | 30 (63) | 12 (58) | P = 0.3 |
| Distal | 9 (45) | 4 (19) | 13 (27) | 6 (32) | |
| Rectum | 0 | 1 (5) | 5 (10) | 2 (10) | |
| Unknown location | 4 | 0 | 0 | 0 | |