Table 1. Baseline characteristics of total patients.
Total (n = 512) | No metastasis (n = 329) | Lymph node metastasis (n = 183) | p-value | |
---|---|---|---|---|
Sex | ||||
Male, n(%) | 111 (21.7%) | 62 (18.8%) | 49 (26.8%) | 0.037 |
Female, n(%) | 401 (78.3%) | 267 (81.2%) | 134 (73.2%) | |
Age, years | 47.34±12.71 | 49.53±11.70 | 43.41±13.49 | <0.001 |
BMI, kg/m 2 | 24.80±3.92 | 24.77±3.71 | 24.84±4.25 | 0.849 |
Familial history of thyroid cancer, n(%) | 62 (13.1%) | 39 (11.9%) | 23 (12.6%) | 0.812 |
Autoimmune thyroid disease, n(%) | 146 (28.5%) | 101 (30.7%) | 45 (24.6%) | 0.172 |
Laboratory data | ||||
TSH, mIU/L | 2.49±2.73 | 2.52±3.20 | 2.43±1.58 | 0.714 |
Free T4, pmol/L | 15.46±3.55 | 15.53±3.44 | 15.33±3.74 | 0.530 |
Total T3, nmol/L | 1.71±0.45 | 1.72±0.48 | 1.68±0.37 | 0.327 |
Thyroglobulin, ng/mL * | 17.18±30.40 | 14.71±25.95 | 21.75±36.90 | 0.029 |
Thyroglobulin Ab positivity, n(%)§ | 71 (16.1%) | 53 (18.2%) | 18 (12.0%) | 0.093 |
Thyroglobulin Ab, IU/mL § | 247.3±453.7 | 174.2±287.1 | 458.5±724.3 | 0.121 |
* 30 and
§ 72 data missing; Continuous variables are expressed as mean ± standard deviation, and categorical variables as numbers (percentages).
BMI, body mass index; TSH, thyroid stimulating hormone