Table 5.
Patients’ characteristics according to histopathological diagnosis.
| Characteristics | Follicular Thyroid Adenomas n = 35 | Follicular Thyroid Carcinomas n = 35 | p-Value |
|---|---|---|---|
| Male/female, n (%) | 27/8 (77.1%/22.9%) | 31/4 (88.6%/11.4%) | 0.205 |
| Median age at diagnosis, years (range) | 55 (29–81) | 52 (27–82) | 0.549 |
| Age group (≤60 years/>60 years), n (%) | 24/11 (68.6%/31.4%) | 23/12 (65.7%/34.3%) | 0.799 |
| Median length of follow-up, months (range) | 89 (18–122) | 112 (17–144) | 0.687 |
| Multifocality, n (%) | 0 (0.0%) | 4 (11.4%) | 0.114 |
| Capsule invasion, n (%) | NA | 14 (40.0%) | NA |
| Extracapsular extension, n (%) | NA | 18 (51.4%) | NA |
| Nodal (N) involvement, n (%) | NA | 3 (8.6%) | NA |
| Mean tumor size, mm (range) | 23 (6–50) | 30 (7–80) | 0.112 |
| Tumor diameter ≤10 mm, n (%) | 5 (14.3%) | 2 (5.7%) | 0.428 |
| Localization in the right/left/both lobes, n (%) | 18/16/1 (51.43%/45.7%/2.9%) | 17/15/3 (48.6%/42.9%/8.6%) | 0.739 |
| Chronic lymphocytic thyroiditis n (%) | 2 (5.7%) | 7 (20.0%) | 0.151 |
| Radioactive iodine-refractoriness n (%) | NA | 2 (5.7%) | NA |
The p-values were based on chi-square test (or Fisher’s exact test when appropriate) for categorical variables and Mann–Whitney U test for quantitative variables. NA—not applicable.