Table 5 The expression of vimentin protein in different components of PESC
Number | Expression rate of vimentin protein (%) | Positive in epithelial component (%) | Positive in spindle component (%) | Positive in both of epithelial and spindle components (%) | χ 2 | P | |
|---|---|---|---|---|---|---|---|
Age | |||||||
< 60 years | 26 | 26 (100.0) | 2 (7.7) | 26 (100.0) | 2 (7.7) | 0.15 | 1.000 |
≥ 60 years | 56 | 56 (100.0) | 5 (8.9) | 56 (100.0) | 5 (8.9) | ||
Gender | |||||||
Male | 57 | 57 (100.0) | 5 (8.8) | 57 (100.0) | 5 (8.8) | 0.15 | 1.000 |
Female | 25 | 25 (100.0) | 2 (8.0) | 25 (100.0) | 2 (8.0) | ||
Family history | |||||||
Positive | 18 | 18 (100.0) | 3 (16.7) | 18 (100.0) | 3 (16.7) | 3.347 | 0.309 |
Negative | 64 | 64 (100.0) | 4 (6.3) | 64 (100.0) | 4 (6.3) | ||
Smoking | |||||||
Yes | 41 | 41 (100.0) | 4 (9.8) | 41 (100.0) | 4 (9.8) | 0.379 | 1.000 |
No | 41 | 41 (100.0) | 3 (7.3) | 41 (100.0) | 3 (7.3) | ||
Alcohol | |||||||
Yes | 36 | 36 (100.0) | 5 (13.9) | 36 (100.0) | 5 (13.9) | 3.782 | 0.282 |
No | 46 | 46 (100.0) | 2 (4.3) | 46 (100.0) | 2 (4.3) | ||
Tumor location | |||||||
Upper | 3 | 3 (100.0) | 0 (0.0) | 3 (100.0) | 0 (0.0) | 1.57 | 0.832 |
Middle | 54 | 54 (100.0) | 4 (7.4) | 54 (100.0) | 4 (7.4) | ||
Lower | 25 | 25 (100.0) | 3 (12.0) | 25 (100.0) | 3 (12.0) | ||
Gross appearance | |||||||
Polypoid | 69 | 69 (100.0) | 5 (7.2) | 69 (100.0) | 5 (7.2) | 7.59 | 0.188 |
Ulcerative | 8 | 8 (100.0) | 0 (0.0) | 8 (100.0) | 0 (0.0) | ||
Infiltrating | 5 | 5 (100.0) | 2 (40.0) | 5 (100.0) | 2 (40.0) | ||
Lymph node metastasis | |||||||
Yes | 23 | 23 (100.0) | 2 (8.7) | 23 (100.0) | 2 (8.7) | 0.21 | 1.000 |
No | 59 | 59 (100.0) | 5 (8.5) | 59 (100.0) | 5 (8.5) | ||
TNM stage | |||||||
I | 29 | 29 (100.0) | 0 (0.0) | 29 (100.0) | 0 (0.0) | 7.50 | 0.067 |
II | 37 | 37 (100.0) | 5 (13.5) | 37 (100.0) | 5 (13.5) | ||
III | 16 | 16 (100.0) | 2 (12.5) | 16 (100.0) | 2 (12.5) | ||
IV | 0 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | ||