Table 3.
Comparison of counting data between metastatic and non-metastatic patients in the training set
| Variable | Total | LNM group (n=80) | Non-LNM group (n=348) | Statistic | P |
|---|---|---|---|---|---|
| Age | |||||
| <45 | 189 | 36 | 153 | 0.028 | 0.867 |
| ≥45 | 239 | 44 | 195 | ||
| BMI | |||||
| <24 kg/m2 | 151 | 24 | 127 | 1.201 | 0.273 |
| ≥24 kg/m2 | 277 | 56 | 221 | ||
| Disease type | |||||
| Squamous cell carcinoma | 380 | 69 | 311 | 1.707 | 0.426 |
| Adenocarcinoma | 43 | 9 | 34 | ||
| Others | 5 | 2 | 3 | ||
| Tumor size | |||||
| <2 cm | 203 | 29 | 174 | 9.758 | 0.008 |
| 2-4 cm | 199 | 41 | 158 | ||
| >4 cm | 26 | 10 | 16 | ||
| FIGO grading | |||||
| IB1 | 181 | 24 | 157 | 15.523 | 0.001 |
| IB2 | 157 | 27 | 130 | ||
| IB3 | 26 | 10 | 16 | ||
| IIA1 | 64 | 19 | 45 | ||
| Differentiation degree | |||||
| Well differentiated | 160 | 20 | 140 | 8.343 | 0.015 |
| Moderately differentiated | 164 | 41 | 123 | ||
| Poorly differentiated | 104 | 19 | 85 | ||
| Lymphovascular invasion | |||||
| Without | 89 | 26 | 63 | 8.185 | 0.004 |
| With | 339 | 54 | 285 | ||
| History of hypertension | |||||
| Without | 72 | 10 | 62 | 1.314 | 0.252 |
| With | 356 | 70 | 286 | ||
| History of diabetes | |||||
| Without | 51 | 6 | 45 | 1.828 | 0.176 |
| With | 377 | 74 | 303 |
Note: LNM, Lymph node metastasis; BMI, body mass index; FIGO, International Federation of Obstetrics and Gynecology.