Parkin expression in colorectal cancer (n = 73) and normal samples (n = 55)
| Variables | Parkin | APC | |||
| n | Mean (±SD) | n | Mean (±SD) | ||
| Superficial region | 70 | 14.2
(±9.4) | 62 | 30.4
(±15.3) | |
| Intermediate region | 58 | 20.0
(±12.7) | 57 | 34.3
(±16.3) | |
| Profound region | 44 | 18.2
(±12.5) | 51 | 32.5
(±16.8) | |
| Total tumor | 73 | 16.5
(±8.6) | 55 | 32.5
(±14.1) | |
| Matched normal mucosa | 55 | 23.1
(±8.1) | 52 | 27.5
(±5.8) | |
| Normal mucosa from patients without malignancy | 9 | 27.5
(±8.1) | 9 | 18.9
(±11.5) | |