Study patients of the institutional database (n=3145)
| Variable | |
|---|---|
| Age, year, mean±Std | 48.1±12.1 |
| Sex, male/female (%) | 904 (28.7)/2241 (71.3) |
| TNM staging (%) |
|
| T1-2/T3-4 | 1664 (52.9)/1421 (47.1) |
| N0/N1 | 1881 (59.8)/1264 (40.2) |
| Thyroidectomy extent (%) | |
| Hemithyroidectomy | 1254 (39.8) |
| Total thyroidectomy | 1909 (60.2) |
| Neck dissection extent (%) | |
| No | 1137 (36.1) |
| ACND | 1425 (45.3) |
| LND | 601 (18.6) |
| Postoperative RAI (%) | |
| No | 1504 (47.8) |
| Yes | 1659 (52.2) |
| Failure pattern | |
| Local recurrence | 66 |
| Regional recurrence | 104 |
| Distant metastasis | 12 |
| Time to recurrence, month, mean±Std |
21.9±4.7 |
ACND: anterior compartment neck dissection, LND: lateral neck dissection, RAI: radioactive iodine, Std: standard deviation
*AJCC 7th edition until 2016, 8th edition after 2017.