Research Article

Thyroid Nodules Located in the Lower Pole Have a Higher Risk of Malignancy than Located in the Isthmus: A Single-Center Experience

Table 1

Demographic and clinical characteristics.

VariablesDescriptive statistics (nodules n = 1142)

Age52.29 ± 12.86

Gender
 Female692 (80.3)
 Male170 (19.7)

TSH (mIU/L)1.35 (0.75–2.43)

Nodule size (mm)17.80 (12.90–25.60)
 <1084 (7.4)
 10–20579 (50.8)
 20–40395 (34.6)
 >4082 (7.2)

Nodule number2.0 (1.0–4.0)

Multinodularity (MTN)
 No380 (33.4)
 Yes758 (66.6)

Hashimoto’s
 No1017 (89.8)
 Yes116 (10.2)

Hyperthyroidism
 No1072 (94.7)
 TMNG39 (3.4)
 Graves8 (0.7)
 Iatrogenic13 (1.1)

Data are expressed in mean ± standard deviation (%) and median (1st quartile-3 rd quartile). mIU/L: milli-international units per liter; mm: millimeter; TMNG: toxic multinodulary goiter.