Group 1 (perforation) | Group 2 (no perforation) | P value (group 1 vs. group 2) * | |||
---|---|---|---|---|---|
Type IV collagen | Mean IRS score | 3.24 | 2.20 | 0.49 | |
Percentage of positive cells | 0 | 0% | 1.8% | ||
1 | 26.9% | 54.5% | |||
2 | 61.6% | 38.2% | |||
3 | 11.5% | 5.5% | |||
4 | 0% | 0% | |||
Staining intensity | 0 | 0% | 1.8% | ||
1 | 53.8% | 61.8% | |||
2 | 38.5% | 29.1% | |||
3 | 7.7% | 7.3% | |||
Cytokeratin 20 | Mean IRS score | 8.16 | 7.18 | 0.91 | |
Percentage of positive cells | 0 | 0% | 10.9% | ||
1 | 19.2% | 20.0% | |||
2 | 3.8% | 5.4% | |||
3 | 61.6% | 27.3% | |||
4 | 15.4% | 36.4% | |||
Staining intensity | 0 | 0% | 10.9% | ||
1 | 15.4% | 9.1% | |||
2 | 7.7% | 20.0% | |||
3 | 76.9% | 60.0% | |||
Epithelial membrane antigen | Mean IRS score | 2.84 | 2.11 | 0.41 | |
Percentage of positive cells | 0 | 0% | 25.5% | ||
1 | 26.9% | 32.7% | |||
2 | 50.0% | 34.5% | |||
3 | 23.1% | 7.3% | |||
4 | 0% | 0% | |||
Staining intensity | 0 | 0% | 25.5% | ||
1 | 61.5% | 40.0% | |||
2 | 38.5% | 21.8% | |||
3 | 0% | 12.7% | |||
E-cadherin | Mean IRS score | 10.64 | 10.45 | 0.79 | |
Percentage of positive cells | 0 | 0% | 0% | ||
1 | 0% | 0% | |||
2 | 3.8% | 0% | |||
3 | 19.2% | 45.5% | |||
4 | 77.0% | 54.5% | |||
Staining intensity | 0 | 0% | 0% | ||
1 | 0% | 0% | |||
2 | 15.4% | 5.5% | |||
3 | 84.6% | 94.5% | |||
B-catenin | Mean IRS score | 5.92 | 3.85 | 0.82 | |
Percentage of positive cells | 0 | 7.7% | 5.4% | ||
1 | 23.1% | 16.4% | |||
2 | 15.4% | 56.4% | |||
3 | 46.1% | 14.5% | |||
4 | 7.7% | 7.3% | |||
Staining intensity | 0 | 7.7% | 5.5% | ||
1 | 23.1% | 32.7% | |||
2 | 11.5% | 50.9% | |||
3 | 57.7% | 10.9% |