Variables | Thy1 N (111) | Thy2 N (107) | Thy3 N (38) | Thy4 N (13) | P value |
---|---|---|---|---|---|
Gender | |||||
 Male no. (%) | 17 (15.3) | 15 (14) | 0 (0) | 2 (15.4) | 0.090 |
 Female no. (%) | 94 (84.7) | 92 (86) | 38 (100) | 11 (84.6) | |
Age in years mean (sd) | 39.8 (1.4) | 39.8 (1.4) | 34.7 (1.3) | 41.7 (1.4) | 0.017 |
BMI kg/m2 mean (sd) | 31.6 (1.2) | 31.6 (1.2) | 31.6 (1.2) | 31.6 (1.2) | 0.002 |
Thyroid status | |||||
 Euthyroid N (%) | 94 (84.7) | 89 (83.2) | 36 (94.7) | 11 (84.6) | 0.584 |
 Hypothyroidism N (%) | 7 (6.3) | 11 (10.3) | 1 (2.6) | 1 (7.7) | |
 Hyperthyroidism N (%) | 10 (9) | 7 (6.5) | 1 (2.6) | 1 (7.7) | |
Thyroid gland size | |||||
 Normal N (%) | 12 (10.8) | 9 (8.4) | 3 (7.9) | 1 (7.7) | 0.912 |
 Enlarged N (%) | 99 (89.2) | 98 (91.6) | 35 (92.1) | 12 (92.3) | |
The number of thyroid nodules | |||||
 Solitary N (%) | 34 (30.6) | 27 (25.2) | 20 (52.6) | 7 (53.8) | 0.006 |
 Multi-nodular N (%) | 77 (69.4) | 80 (74.8) | 18 (47.4) | 6 (46.2) | |
The thyroid nodule character | |||||
 Solid N (%) | 34 (30.6) | 19 (17.8) | 20 (52.6) | 7 (53) | 0.001 |
 Cystic N (%) | 12 (10.8) | 16 (15) | 1 (26.3) | 1 (7.7) | |
 Mixed | 65 (58.6) | 72 (67.3) | 17 (44.7) | 5 (38.5) | |
The thyroid nodule size | |||||
 Less than 1 cm N (%) | 5 (4.5) | 2 (1.9) | 0 (0) | 1 (7.7) | 0.318 |
 More than 1 cm N (%) | 106 (95.5) | 105 (98.1) | 38 (100) | 12 (92.3) | |
The thyroid hormonal profile | |||||
 TSH mean (sd) | 1.2 (4.2) | 1.2 (3.3) | 7.9 (2.9) | 1.5 (2.9) | 0.002 |
 T3 mean (sd) | 4.3 (1.2) | 4.6 (1.3) | 4.5 (1.2) | 3.9 (1.4) | 0.005 |
 T4 mean (sd) | 12.6 (1.2) | 13.2 (1.2) | 12.9 (1.2) | 12.6 (1.1) | 0.002 |
Exposure to radiation | |||||
 Yes N (%) | 90 (81.1) | 86 (80.4) | 23 (60.5%) | 12 (78.4) | 0.025 |
 No N (%) | 21 (18.9) | 21 (19.6) | 15 (39.5) | 1 (21.6) | |
Cervical lymph nodes | |||||
 Normal N (%) | 65 (58.6) | 85 (79.4) | 24 (63.2) | 9 (69.2) | 0.010 |
 Enlarged N (%) | 46 (41.4) | 22 (20.6) | 14 (36.8) | 4 (30.8) |