Total of points of the system, the incidence of metastasis to the regional lymph nodes and prognosis
| Total point | Metastasis | Prognosis | ||
|---|---|---|---|---|
| + | - | + | - | |
| ≥ 8 | 44 | 6 | 14 | 36 |
| ≤ 7 | 4 | 32 | 30 | 6 |
| P | < 0.05 | < 0.05 | ||
| χ2 | 22.0658 | 10.7047 |
Metastasis (+), metastasis to the regional lymph nodes; (-), no metastasis to the regional lymph nodes; Prognosis (+), favorable prognosis; (-), unfavorable prognosis. Incidence of metastasis and unfavorable prognosis in the cases with a total score of more than 8 was significantly higher than that with a total score of less than 7.