Table 6 Point assignments and predictive scores for each variable in the nomogram models
Variables | Classification | Nomogram score | |
|---|---|---|---|
Lymph node metastasis | Liver metastasis | ||
Age | < 45 | 58 | 16 |
45–65 | 29 | 8 | |
≥ 65 | 0 | 0 | |
Marriage | Married | 11 | NA |
Single | 6 | NA | |
Unknown | 0 | NA | |
Histological grade | Well differentiated | 0 | 0 |
Moderately differentiated | 33 | 8 | |
Poorly differentiated | 67 | 16 | |
Undifferentiated | 100 | 23 | |
Histological type | Adenocarcinoma | 0 | NA |
Carcinoid tumor | 3 | NA | |
Neuroendocrine carcinoma | 5 | NA | |
Mucinous adenocarcinoma | 8 | NA | |
Other | 10 | NA | |
T classification | T1 | 0 | NA |
T2 | 54 | NA | |
Tumor size | < 5 cm | 6 | 0 |
≥ 5 cm | 3 | 17 | |
Unknown | 0 | 35 | |
CEA | Negative | 14 | 0 |
Borderline | 9 | 5 | |
Positive | 5 | 10 | |
Unknown | 0 | 15 | |
N classification | N0 | NA | 0 |
N1 | NA | 50 | |
N2 | NA | 100 | |