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Table 2 Main patient’s characteristics

From: Predictors of a follicular nodule (Thy3) outcome of thyroid fine needle aspiration cytology among Saudi patients

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)