Table 1.
Characteristics of the patients with nondiagnostic result of FNAB
| Characteristic | Values | Number of patients | |
|---|---|---|---|
| Age (years) | Mean (SD) Median (Q1–Q3) Range |
59 (13) 61 (52–67) 20-85 |
|
| Sex | Male Female |
19.5% 80.5% |
31 128 |
| Thyroid function | Hyperthyroidism Hypothyroidism Euthyroidism |
8.8% 8.8% 82.4% |
14 14 131 |
| Antithyroid drugs | Yes No |
3.2% 96.8% |
5 154 |
| L-thyroxine supplementation | Yes No Not data |
28.3% 71.1% 0.6% |
45 113 1 |
| Autoimmune thyroiditis | Yes No Not data |
9.4% 18.9% 71.7% |
15 30 114 |
| 131I therapy | Yes No |
22.0% 78.0% |
35 124 |
| Surgery in the neck region | Yes No |
10.7% 89.3% |
17 142 |
| Radiation therapy in the neck region | Yes No Not data |
6.9% 92.5% 0.6 |
11 147 1 |
| Nodule size (mm) | Mean (SD) Median (Q1–Q3) Range |
15.3 (10.9) 12.5 (9–18.5) 3–56 |
|
| Sonographic findings according to Kim's classification | U2 Range U3 U4 U5 |
26.1% 59.2% 9.8% 0.4% |
45 96 17 1 |
| Time between the biopsies (days) | Mean (SD) Median (Q1–Q3) Range |
154.4 (100.6) 119 (94–172) 1–611 |