Table 1. Association of MAGE-A9 expression with the clinical characteristics of lung adenocarcinoma.
| Characteristic | n | Low or no expression (%) | High expression (%) | Pearson χ2 | P value |
|---|---|---|---|---|---|
| Total | 180 | 103 (57.22) | 77 (42.78) | ||
| Gender | |||||
| Male | 91 | 46 (50.55) | 45 (49.45) | 3.347 | 0.067 |
| Female | 89 | 57 (64.04) | 32 (35.96) | ||
| Age | |||||
| ≤ 60 years | 82 | 48 (58.54) | 34 (41.46) | 0.106 | 0.744 |
| > 60 years | 98 | 55 (56.12) | 43 (43.88) | ||
| Differentiation | |||||
| Well and Moderately | 156 | 95 (60.90) | 61 (39.10) | 4.759 | 0.029* |
| Poorly | 22 | 8 (36.36) | 14 (63.64) | ||
| Unknown | 2 | 0 | 2 | ||
| Tumor size | |||||
| ≤ 3 cm | 101 | 66 (65.35) | 35 (34.65) | 6.205 | 0.013* |
| > 3 cm | 79 | 37 (46.84) | 42 (53.16) | ||
| Lymph node metastasis | |||||
| Yes | 71 | 37 (52.11) | 34 (47.89) | 1.167 | 0.280 |
| No | 101 | 61 (60.40) | 40 (39.60) | ||
| Unknown | 8 | 5 | 3 | ||
| TNM Classification | |||||
| I | 107 | 68 (63.55) | 39 (36.45) | 4.760 | 0.093 |
| II | 43 | 22 (51.16) | 21 (48.84) | ||
| III and IV | 30 | 13 (43.33) | 17 (56.67) | ||
*
P < 0.05.