Table 3.
The expression of AE1/AE3 protein in different components of PESC
| Number | Expression rate of AE1/AE3 protein (%) | Positive in epithelial component (%) | Positive in spindle component (%) | Positive in both of epithelial and spindle components (%) | χ 2 | P | |
|---|---|---|---|---|---|---|---|
| Age | |||||||
| < 60 years | 26 | 19 (73.1) | 19 (73.1) | 6 (23.1) | 6 (23.1) | 0.24 | 0.888 |
| ≥ 60 years | 56 | 51 (91.1) | 51 (91.1) | 13 (23.2) | 13 (23.2) | ||
| Gender | |||||||
| Male | 57 | 48 (84.2) | 48 (84.2) | 13 (22.8) | 13 (22.8) | 0.00 | 1.000 |
| Female | 25 | 22 (88.0) | 22 (88.0) | 6 (24.0) | 6 (24.0) | ||
| Family history | |||||||
| Positive | 18 | 16 (88.9) | 16 (88.9) | 1 (5.6) | 1 (5.6) | 5.777 | 0.118 |
| Negative | 64 | 54 (84.3) | 54 (84.3) | 18 (28.1) | 18 (28.1) | ||
| Smoking | |||||||
| Yes | 41 | 34 (82.9) | 34 (82.9) | 10 (24.4) | 10 (24.4) | 0.197 | 0.978 |
| No | 41 | 36 (87.8) | 36 (87.8) | 9 (22.0) | 9 (22.0) | ||
| Alcohol | |||||||
| Yes | 36 | 30 (83.3) | 30 (83.3) | 10 (27.8) | 10 (27.8) | 1.154 | 0.764 |
| No | 46 | 40 (87.0) | 40 (87.0) | 9 (19.6) | 9 (19.6) | ||
| Tumor location | |||||||
| Upper | 3 | 2 (66.7) | 2 (66.7) | 1 (33.3) | 1 (33.3) | 6.42 | 0.126 |
| Middle | 54 | 46 (85.2) | 46 (85.2) | 16 (29.6) | 16 (29.6) | ||
| Lower | 25 | 22 (88.0) | 22 (88.0) | 2 (8.0) | 2 (8.0) | ||
| Gross appearance | |||||||
| Polypoid | 69 | 59 (85.5) | 59 (85.5) | 15 (21.7) | 15 (21.7) | 3.22 | 0.794 |
| Ulcerative | 8 | 6 (75.0) | 6 (75.0) | 1 (12.5) | 1 (12.5) | ||
| Infiltrating | 5 | 5 (100.0) | 5 (100.0) | 3 (60.0) | 3 (60.0) | ||
| Lymph node metastasis | |||||||
| Yes | 23 | 21 (91.3) | 21 (91.3) | 8 (34.8) | 8 (34.8) | 1.60 | 0.449 |
| No | 59 | 49 (83.1) | 49 (83.1) | 11 (18.6) | 11 (18.6) | ||
| TNM stage | |||||||
| I | 29 | 27 (93.1) | 27 (93.1) | 3 (10.3) | 3 (10.3) | 6.71 | 0.146 |
| II | 37 | 28 (75.7) | 28 (75.7) | 9 (24.3) | 9 (24.3) | ||
| III | 16 | 15 (93.8) | 15 (93.8) | 7 (43.8) | 7 (43.8) | ||
| IV | 0 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | ||