Table II.
The relationship between different clinicopathological characteristics and the rate of lymph node metastasis as well as the contrast-enhanced intensity
| Factors | Node negative | Node positive | Value of p | Marked hyperenhancement | Unmarked hyperenhancement | Value of p |
|---|---|---|---|---|---|---|
| Age [years] | 61.0 ±13.5 | 57.7 ±10.3 | 0.382 | 58.5 ±10.9 | 58.2 ±11.1 | 0.887 |
| Male | 9 | 39 | 0.777 | 21 | 27 | 0.260 |
| Female | 6 | 22 | 16 | 12 | ||
| Upper | 2 | 2 | 0.291 | 2 | 2 | 0.446 |
| Middle | 2 | 8 | 3 | 7 | ||
| Lower | 11 | 51 | 32 | 30 | ||
| Tumor diameter [mm] | 31.4 ±9.6 | 30.8 ±12.0 | 0.866 | 35.4 ±13.1 | 26.8 ±7.80 | 0.001 |
| Mucosa | 4 | 32 | 0.073 | 14 | 22 | 0.105 |
| Submucosa | 11 | 29 | 23 | 17 | ||
| Histological type: | ||||||
| Differentiated | 5 | 39 | 0.032 | 16 | 28 | 0.012 |
| Undifferentiated | 10 | 22 | 21 | 11 |