Research Article
Clinical Characteristics Related to Central Lymph Node Metastasis in cN0 Papillary Thyroid Carcinoma: A Retrospective Study of 916 Patients
Table 2
Correlation between clinical factors and CLN metastasis: univariate analysis.
| Term | Cervical lymph node metastasis | Negative | Positive | Case number | Positive rate | P value |
| Gender | | | | | 0.000 | Male | 63 | 123 | 186 | 66.13% | | Female | 361 | 369 | 730 | 50.55% | | Age (years) | | | | | 0.000 | ≤25 | 5 | 45 | 50 | 90.00% | (0.000)* | 25~35 | 46 | 113 | 159 | 71.07% | | 35~45 | 161 | 165 | 326 | 50.61% | | 45~55 | 133 | 114 | 247 | 46.15% | | 55~65 | 61 | 39 | 100 | 39.00% | | 65 | 18 | 16 | 34 | 47.06% | | Tumor size (cm) | | | | | 0.000 | ≤0.5 | 181 | 54 | 235 | 22.98% | (0.000)** | 0.5~1.0 | 188 | 164 | 352 | 46.59% | | 1.0~1.5 | 64 | 108 | 172 | 62.79% | | 1.5~2.0 | 21 | 72 | 93 | 77.42% | | 2.0 | 30 | 135 | 165 | 81.82% | | Tumor number | | | | | | Solitary | 307 | 328 | 635 | 51.65% | 0.534 | Multiple | 177 | 205 | 382 | 53.66% | | Capsule invasion | | | | | | Absent | 363 | 282 | 645 | 43.72% | 0.000 | Present | 68 | 108 | 171 | 63.16% | | Extracapsular | 53 | 148 | 201 | 73.63% | | Tumor location | | | | | 0.000 | Lower pole | 106 | 53 | 159 | 33.33% | | Middle pole | 127 | 152 | 279 | 54.48% | | Upper pole | 68 | 95 | 163 | 58.28% | | Whole lobe | 6 | 28 | 34 | 82.35% |
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*Age ≤ 35 years versus age 35 years. cm versus cm.
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