Table 1.
Patients’ demographics
| Variables | Number (%) |
|---|---|
| Age (years)§ | 46 (17–80) |
| ≤ 55 years | 285 (73.1) |
| Male | 118 (30.3) |
| Hypertension | 62 (15.9) |
| Diabetes | 26 (6.7) |
| Modified radical neck dissection | |
| Ipsilateral | 346 (88.7) |
| Bilateral | 44 (11.3) |
| Main tumor size (cm)* | 1.61 ± 0.97 |
| > 2 cm | 93 (23.8) |
| T stage | |
| T1a | 121 (31.0) |
| T1b | 109 (27.9) |
| T2 | 40 (10.3) |
| T3a | 4 (1.0) |
| T3b | 52 (13.3) |
| T4a | 64 (16.4) |
| Multifocality | 142 (36.4) |
| Bilaterality | 125 (32.1) |
| Extrathyroidal extension | |
| No | 199 (51.0) |
| Minor | 75 (19.2) |
| Gross | 116 (29.7) |
| Number of central lymph node | |
| Harvested§, * | 6 (2–65), 7.4 ± 6.0 |
| Metastatic§, * | 3 (0–29), 3.8 ± 4.0 |
| Number of lateral lymph node | |
| Harvested§, * | 16 (8–62), 18.6 ± 10.3 |
| Metastatic§, * | 4 (1–23), 4.9 ± 3.9 |
| Skip metastases | 86 (22.1) |
| Stage | |
| I | 285 (73.1) |
| II | 79 (20.3) |
| III | 26 (6.7) |
| Lymphovascular invasion | 20 (5.1) |
| Chronic lymphocytic thyroiditis | 100 (25.6) |
| Recurrence | 84 (21.5) |
| Follow-up§ | 81 months (6–156) |
| Total patients | 390 |
§Median and range
*Mean and standard deviation