Table 1.
Relationship between NM23-H1 expression in head and neck squamous cell carcinoma and clinicopathologic parameters of 50 patients with resectable cervical metastasis treated by postoperative radiation.
| Clinicopathologic parameters | Number of patients | Interpretation of tumor NM23-H1 expression | ||
|---|---|---|---|---|
| Negative (31) | Positive (19) | p value1 | ||
| Age (years) | ||||
| ≤50 | 28 | 18 | 10 | 0.935 |
| >50 | 22 | 13 | 9 | |
| Primary tumor size | ||||
| ≤4 cm | 31 | 22 | 9 | 0.171 |
| >4 cm | 19 | 9 | 10 | |
| Metastatic lymph node(s) | ||||
| =1 | 10 | 4 | 6 | 0.216 |
| >1 | 40 | 27 | 13 | |
| Distant metastasis | ||||
| Negative | 36 | 19 | 17 | 0.067 |
| Positive | 14 | 12 | 2 | |
| Tumor recurrence | ||||
| Negative | 29 | 14 | 15 | 0.040 |
| Positive | 21 | 17 | 4 | |
1Based on Chi-square test with Yates′ (continuity) correction.