Table 2.
PEP activity in plasma from CRC patients according to clinicopathologic characteristics. Values are means ± SE of units of peptidase per liter of plasma (UP/L).
| Variables | n = | UP/L (Media ± S.E ) | Mann-Whitney (p =) |
|---|---|---|---|
| Grade | |||
| Low (G1-G2) | 33 | 12.3 ± 0.88 | 0.676 |
| High (G3-G4) | 7 | 10.7 ± 0.75 | |
| Stage | |||
| Low (T1-T2) | 9 | 13.5 ± 2.04 | 0.532 |
| High (T3-T4) | 31 | 11.6 ± 0.78 | |
| Nodal invasion | |||
| No | 29 | 12.3 ± 0.9 | 0.493 |
| Yes | 11 | 11.1 ± 1.38 | |
| Distant Metastases | |||
| No | 37 | 11.5 ± 0.73 | 0.038 |
| Yes | 3 | 17.56 ± 2.9 | |
| Lymphatic invasion | |||
| No | 34 | 11.7 ± 0.8 | 0.389 |
| Yes | 6 | 13.5 ± 2.5 | |
| Vascular invasion | |||
| No | 33 | 12.2 ± 0.89 | 0.701 |
| Yes | 7 | 10.7 ± 1.03 | |
| Perineural invasion | |||
| No | 38 | 12.1 ± 0.77 | 0.852 |
| Yes | 2 | 10.1 ± 1.63 | |
| Grouped stage | |||
| Low (0-IIC) | 28 | 12.2 ± 0.91 | 0.712 |
| High (IIIA-IV) | 12 | 11.5 ± 1.31 |