Table 1.
Clinicopathologic characteristics of patients.
| Characteristics | Number |
|---|---|
| Number of patients | 1107 |
| Age at diagnosis (years) | |
| <55 | 816 |
| ≥55 | 291 |
|
| |
| Gender | |
| Female | 828 |
| Male | 279 |
|
| |
| Tumor size (mm) | |
| ≤5 | 384 |
| >5, ≤10 | 366 |
| >10, ≤20 | 294 |
| >20 | 63 |
|
| |
| Multifocal neoplasms | 225 |
| Bilateral neoplasms | 171 |
| Extrathyroidal extension | 120 |
| Hashimoto thyroiditis | 195 |
| Lymph node metastasis | 474 |
| Central lymph node metastasis | 453 |
| Lateral lymph node metastasis | 117 |
|
| |
| Surgery procedure | |
| Lobectomy plus ipsilateral CLND | 789 |
| Total thyroidectomy plus bilateral CLND | 174 |
| Total thyroidectomy plus bilateral CLND and unilateral LLND | 144 |
CLND: central lymph node dissection; LLND: lateral lymph node dissection.