Table 4.
Protein expression scores; comparison between AC and SCC.
| AC | SCC | p value | ||
|---|---|---|---|---|
| n (%) | n (%) | |||
| pSMAD2 | n | 56 | 65 | <0.001 |
| Weak/neg (<25%) | 24 (43) | 3 (5) | ||
| Moderate (25-50%) | 7 (13) | 8 (12) | ||
| Strong (>50%) | 25 (45) | 54 (83) | ||
| SMAD4 (nuclear) | n | 54 | 62 | <0.001 |
| Weak/neg (<25%) | 29 (54) | 7 (11) | ||
| Moderate (25-50%) | 14 (26) | 30 (48) | ||
| Strong (>50%) | 11 (20) | 25 (40) | ||
| PAI-1 | n | 53 | 85 | <0.001 |
| Weak (2-4) | 32 (60) | 2 (2) | ||
| Moderate (5-6) | 16 (30) | 27 (32) | ||
| Strong (7-8) | 5 (9) | 56 (66) | ||
| Avβ6 | n | 62 | 64 | <0.001 |
| Weak (2-4) | 50 (81) | 11 (17) | ||
| Moderate (5-6) | 8 (13) | 24 (38) | ||
| Strong (7-8) | 4 (6) | 29 (45) | ||
| MMP2 | n | 62 | 21 | 0.002 |
| Low (<=6) | 33 (53) | 18 (86) | ||
| High (>6) | 29 (47) | 3 (14) | ||
| MMP9 | n | 62 | 21 | 0.570 |
| Low (<=6) | 37 (60) | 14 (67) | ||
| High (>6) | 25 (40) | 7 (33) |
Protein expression scores. A comparison between AC and SCC of protein expression scores of pSMAD2, nuclear SMAD4, PAI-1, αvβ6, MMP2 and MMP9. Values are presented in number of patients (percentage). P-values are calculated using Chi-squared test. Bold value indicates significance (p <0.05). AC, adenocarcinoma; SCC, squamous cell carcinoma.