Table III.
Univariate analysis of factors associated with metastasis.
| Factor | Patients with lymphadenectomy (n=16)
|
||||
|---|---|---|---|---|---|
| With metastases (n=10) | Without metastases (n=6) | Total (n=16) | P-value | (r) | |
| Tumor size (mm), n (%) | |||||
| 1–10 | 3 (60) | 2 (40) | 5 | 0.898 | 0.16 |
| >11 | 7 (64) | 4 (36) | 11 | ||
| Tumor depth, n (%) | |||||
| T1 | 8 (67) | 4 (33) | 12 | 0.582 | −0.149 |
| T2 | 2 (50) | 2 (50) | 4 | ||
| Lymphovascular invasion, n (%) | |||||
| Positive | 4 (66) | 2 (33) | 6 | 0.159 | 0.415 |
| Negative | 3 (43) | 4 (57) | 7 | ||
| Not evaluable | 3 (100) | 0 (0) | 3 | ||
| Central depression, n (%) | |||||
| Positive | 9 (69) | 4 (31) | 13 | 0.277 | 0.289 |
| Negative | 1 (33) | 2 (67) | 3 | ||
| Ki-67 labeling index (%), n (%) | |||||
| <2 | 2 (33) | 4 (67) | 6 | 0.148 | 0.467 |
| ≤2 | 4 (80) | 1 (20) | 5 | ||
| Not evaluable, n (%) | 4 (80) | 1 (20) | 5 | ||
| Mean | 4.06 | 1.48 | |||
| Range | 1.38–8.70 | 0.81–2.18 | |||
(r), Pearson product-moment correlation coefficient.