Research Article
Predicting the Survival Probability of Neuroendocrine Tumor Populations: Developing and Evaluating a New Predictive Nomogram
Table 1
Baseline characteristics (
).
| Patients | All cohort | Training cohort | Test cohort | value |
| All patients | 348 | 244 | 104 | - | Age | | | | | <56 | 172 | 120 | 52 | >0.05 | ≥56 | 176 | 123 | 53 | | Gender | | | | | Male | 196 | 137 | 59 | >0.05 | Female | 152 | 106 | 46 | | Tumor primary site | | | | | Lung | 106 | 74 | 32 | >0.05 | Gastrointestinal tract | 61 | 43 | 18 | | Pancreas | 14 | 10 | 4 | | Cervix | 57 | 40 | 17 | | Other | 138 | 97 | 41 | | Tumor metastasis site | | | | | No | 259 | 181 | 78 | >0.05 | Yes | 89 | 62 | 27 | | Liver metastasis | 38 | 27 | 11 | | Lung metastasis | 13 | 9 | 4 | | Other | 38 | 27 | 11 | | Number of tumor metastasis sites | | | | | ≤1 | 232 | 162 | 70 | >0.05 | >1 | 116 | 81 | 35 | | Chemotherapy | | | | | Yes | 245 | 172 | 74 | >0.05 | No | 103 | 72 | 31 | | Differentiation | | | | | High | 66 | 46 | 20 | >0.05 | Low | 282 | 197 | 85 | | Grade | | | | | G1-2 | 68 | 48 | 20 | >0.05 | G3 | 280 | 196 | 84 | | Lymphatic metastasis | | | | | No | 108 | 76 | 32 | >0.05 | Yes | 240 | 168 | 72 | | Nerve invasion | | | | | No | 308 | 216 | 92 | >0.05 | Yes | 40 | 28 | 12 | | HBSAg | | | | | No | 284 | 199 | 85 | >0.05 | Yes | 64 | 45 | 19 | | HCV | | | | | No | 346 | 242 | 104 | >0.05 | yes | 2 | 1 | 1 | | HBeAg | | | | | No | 347 | 243 | 104 | >0.05 | yes | 1 | 1 | 0 | | HBeAb | | | | | No | 337 | 236 | 101 | >0.05 | yes | 11 | 8 | 3 | | HBcAb | | | | | No | 331 | 232 | 99 | >0.05 | yes | 17 | 12 | 5 | | AST | 0.7~126 | 10~126 | 0.7~118 | >0.05 | ALP | 15~304 | 24~338 | 15~322 | >0.05 | BUN | 1.2~16.68 | 1.2~16.68 | 1.4~33.2 | >0.05 | Creatinine | 30~163 | 35~202 | 10~163 | >0.05 | CEA | 0.36~66.26 | 0.29~66.26 | 0.2~98.79 | >0.05 | AFP | 0.93~27 | 1.03~84.96 | 0.93~97.43 | >0.05 | CA125 | 2.6~97.7 | 2.6~94.7 | 2~78.2 | >0.05 | CA153 | 1.3~79 | 1.3~79 | 4.2~76.8 | >0.05 | CA199 | 0.2~93.87 | 0.1~120 | 0/2~117.6 | >0.05 | Ki67 proliferation index | 0.1~0.99 | 0.01~0.99 | 0.08~0.98 | >0.05 |
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