Table I.
Association between increased MAGE-A9 expression and the clinicopathological characteristics in esophageal squamous cell carcinoma.
| MAGE-A9 | |||||
|---|---|---|---|---|---|
| Group | n | + | % | χ2 | P-value |
| Total | 103 | 57 | 55.3 | ||
| Sex | |||||
| Male | 75 | 45 | 60.0 | 2.424 | 0.119 |
| Female | 28 | 12 | 42.9 | ||
| Age, years | |||||
| ≤60 | 42 | 24 | 57.1 | 0.093 | 0.917 |
| >60 | 61 | 33 | 54.1 | ||
| Smoking | |||||
| No | 51 | 25 | 49.0 | 1.633 | 0.201 |
| Yes | 52 | 32 | 61.5 | ||
| Alcohol | |||||
| No | 81 | 44 | 54.3 | 0.159 | 0.690 |
| Yes | 22 | 13 | 59.1 | ||
| Tumor size, cm | |||||
| ≤3 | 48 | 21 | 43.8 | 4.886 | 0.027a |
| >3 | 55 | 36 | 65.5 | ||
| pT | |||||
| T1 | 12 | 4 | 33.3 | 2.717 | 0.257 |
| T2 | 37 | 21 | 56.8 | ||
| T3 | 54 | 32 | 59.3 | ||
| Lymph node metastasis | |||||
| No | 69 | 32 | 46.4 | 6.794 | 0.009a |
| Yes | 34 | 25 | 73.5 | ||
| Pathological grade | |||||
| I | 10 | 4 | 40.0 | 9.606 | 0.008a |
| II | 70 | 23 | 32.9 | ||
| III | 23 | 16 | 69.9 |
a
P<0.05. MAGE-A9, melanoma-associated antigen-9; pT, pathological tumor stage.