Table 2 The expression rate of AE1/AE3 protein in PESC
Number | Expression rate of AE1/AE3 protein (%) | χ 2 | P | ||
|---|---|---|---|---|---|
Positive(n = 70) | Negative(n = 12) | ||||
Age | |||||
< 60 years | 26 | 19 (73.1) | 7 (26.9) | 3.28 | 0.070 |
≥ 60 years | 56 | 51 (91.1) | 5 (8.9) | ||
Gender | |||||
Male | 57 | 48 (84.2) | 9 (15.8) | 0.01 | 0.914 |
Female | 25 | 22 (88.0) | 3 (12.0) | ||
Family history | |||||
Positive | 18 | 16 (88.9) | 2 (11.1) | 0.01 | 0.919 |
Negative | 64 | 54 (84.3) | 10 (15.7) | ||
Smoking | |||||
Yes | 41 | 34 (82.9) | 7 (17.1) | 0.10 | 0.755 |
No | 41 | 36 (87.8) | 5 (12.2) | ||
Alcohol | |||||
Yes | 36 | 30 (83.3) | 6 (16.7) | 0.21 | 0.654 |
No | 46 | 40 (87.0) | 6 (13.0) | ||
Tumor location | |||||
Upper | 3 | 2 (66.7) | 1 (33.3) | 1.48 | 0.580 |
Middle | 54 | 46 (85.2) | 8 (14.8) | ||
Lower | 25 | 22 (88.0) | 3 (12.0) | ||
Gross appearance | |||||
Polypoid | 69 | 59 (85.5) | 10 (14.5) | 1.30 | 0.660 |
Ulcerative | 8 | 6 (75.0) | 2 (25.0) | ||
Infiltrating | 5 | 5 (100.0) | 0 (0.0) | ||
Lymph node metastasis | |||||
Yes | 23 | 21 (91.3) | 2 (8.7) | 0.36 | 0.547 |
No | 59 | 49 (83.1) | 10 (16.9) | ||
TNM stage | |||||
I | 29 | 27 (93.1) | 2 (6.9) | 4.40 | 0.121 |
II | 37 | 28 (75.7) | 9 (24.3) | ||
III | 16 | 15 (93.8) | 1 (6.2) | ||
IV | 0 | 0 (0.0) | 0 (0.0) | ||