Table 6.
COX-2 expression and correlation with clinical features
| Clinical features | EGFR | Positive expression rate | P value | |
|---|---|---|---|---|
| - | + | |||
| Ages | 0.599 | |||
| ≤60 | 3 | 30 | 90.90% | |
| >60 | 2 | 15 | 88.20% | |
| Sex | 0.362 | |||
| Male | 4 | 27 | 87.10% | |
| Female | 1 | 18 | 94.70% | |
| Pathologic type | 0.022* | |||
| Squamous carcinoma | 5 | 16 | 76.20% | |
| Adencarcinoma | 0 | 26 | 100% | |
| Mixed type | 0 | 3 | 100% | |
| Tumor length | 0.518 | |||
| ≤3 cm | 2 | 14 | 87.50% | |
| >3 cm | 3 | 31 | 91.20% | |
| Level of Differentiation | 0.258 | |||
| Poor Differentiated | 2 | 8 | 80% | |
| Moderate and Well Differentiated | 3 | 37 | 92.50% | |
| TNM Stage | 0.129 | |||
| I-II | 11 | 5 | 40% | |
| III | 13 | 15 | 50.60% | |
| IV | 3 | 3 | 50% | |
| Lymph node | 0.006* | |||
| N0 | 9 | 1 | 10% | |
| N1-3 | 17 | 22 | 56.40% | |
*p < 0.05