Table 2.
Relationship between claudin‐1 expression and clinicopathological features of 83 tongue squamous cell carcinoma patients
| No. of patients | |||
|---|---|---|---|
| Claudin‐1 expression | |||
| High | Low | ||
| Gender | |||
| Male | 24 | 26 | |
| Female | 19 | 14 | P = .52 |
| Age (y) | |||
| ≦69 | 20 | 15 | |
| >69 | 23 | 25 | P = .54 |
| T stage | |||
| T1 | 24 | 19 | |
| T2‐4 | 18 | 17 | P = .87 |
| TNM stage | |||
| I | 24 | 19 | |
| I‐IV | 18 | 17 | P = .87 |
| Differentiation | |||
| Well | 24 | 18 | |
| Moderate | 14 | 15 | |
| Poor | 4 | 3 | P = .79 |
| YK classification | |||
| YK ‐1 | 0 | 2 | |
| YK‐2 | 3 | 7 | |
| YK‐3 | 26 | 9 | |
| YK‐4c | 10 | 15 | |
| YK‐4d | 3 | 3 | P = .008 |
| Local recurrence | |||
| Positive | 5 | 2 | |
| Negative | 38 | 38 | P = .43 |
| Cervical lymph node metastasis | |||
| Positive | 17 | 10 | |
| Negative | 26 | 30 | P = .23 |
| Distant organ metastasis | |||
| Positive | 2 | 1 | |
| Negative | 41 | 39 | P = .00 |