Table 1 Baseline Characteristics

Sex

 Female

37 (84.0%)

31 (84.0%)

6 (16.0%)

 Male

7 (16.0%)

5 (71.4%)

2 (28.6%)

Age at diagnosis

 Mean (standard deviation)

45.77 (11.9)

47.91 (16.89)

43.63 (7.06)

 < 18 years old

2 (4.5%)

2 (100%)

0 (0%)

 18–64 years old

35 (79%)

28 (80%)

7 (20%)

 ≥ 65 years old

7 (16.5%)

6 (86%)

1 (14%)

Residence

 Coast

6 (13.6%)

6 (100%)

0 (0%)

 Highland

35 (79%)

27 (77%)

8 (13%)

 Other countries

3 (7.4%)

3 (100%)

0 (0%)

Employment

 Domestic chores

8 (18.2%)

6 (75%)

2 (25%)

 Student

4 (9.1%)

4 (100%)

0 (0%)

 Labor

32 (72.7%)

26 (81.3%)

6 (18.7%)

Education level

 None

0

0

0

 Elementary School

3 (6.8%)

1 (33%)

2 (67%)

 High school

12 (27.3%)

12 (100%)

0 (0%)

 University

29 (65.9%)

23 (79%)

6 (21%)

Family history of thyroid cancer

 Yes

7 (16%)

5 (71%)

2 (29%)

 No

37 (84%)

31 (84%)

6 (16%)

BMI

 Normal

14 (31.8%)

8 (57%)

6 (43%)

 Overweight

28 (63.6%)

27 (96%)

1 (4%)

 Obesity

2 (4.6%)

1 (50%)

1 (50%)

Cigarette Smoking

 Yes

1

1 (100%)

0

 No

43

35 (81.4%)

8 (19.6%)

Thyroid function

 Euthyroid

32 (72.7%)

25 (78%)

7 (12%)

 Hypothyroidism

12 (27.3%)

11 (92%)

1 (8%)

 Hyperthyroidism

0

0

0

Nodule composition

 Solid

19 (43.2%)

11 (58%)

8 (42%)

 Predominantly solid

25 (56.8%)

25 (100%)

0

 Mixed

0

0

0

Laterality

 Right lobe

29 (65.9%)

26 (89%)

3 (11%)

 Left lobe

12 (27.3%)

9 (75%)

3 (25%)

 Isthmus

3 (6.8%)

1 (33.3%)

2 (66.7)

Methods of detection

 Symptomatic nodule

27 (61.4%)

27 (100%)

0

 Asymptomatic patient, screening detection, palpable nodule

11 (25%)

5 (45.5%)

6 (54.5%)

 Incidental, asymptomatic patient

6 (13.6%)

4 (66.7%)

2 (33.3%)

 Nodule detected in the image for other causes

0

0

0