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Table 1 Clinical and biological characteristics in men and women (N = 1,205)

From: Thyroid volume, goiter prevalence, and selenium levels in an iodine-sufficient area: a cross-sectional study

  Total Male Female P
  n = 1205 n = 531 (44.07%) n = 674 (55.93%)
Age (yr)* 46.31 ± 15.14 45.49 ± 15.82 46.95 ± 14.56 0.100***
Se (μg/L)** 52.63 (40.40-67.0) 51.63 (39.41-66.23) 53.14 (40.94-67.9) 0.191***
TV (mL)** 9.93 (7.71-12.57) 10.83 (8.86-13.50) 9.10 (7.26-11.57) 0.001
Nodularity N (%) 224 (18.6) 75 (14.1) 149 (22.1) 0.001
Goiter N (%) 106 (8.8) 31 (5.8) 75 (11.1) 0.001
TPOAb (+) n (%) 145 (12.0) 40 (7.5) 105 (15.6) 0.001
TgAb (+) n (%) 134 (11.1) 28 (5.3) 106 (15.7) 0.001‡
Antibody (+) n (%) 201 (16.7) 49 (9.2) 152 (22.6) 0.001‡
TSH (mU/L) 2.66 (1.81-3.66) 2.45 (1.73-3.54) 2.92 (1.9-4.13) 0.001‡‡
BMI (kg/m2) 22.90 ± 3.24 23.25 ± 3.03 22.62 ± 3.37 0.001***
  1. Se: Selenium; TV:Thyroid volume.
  2. Goiter: thyroid volume ≥ 14.4 mL in female, ≥18.7 L in male; TPOAb (+): TPOAb positive; TgAb (+): TgAb positive; antibody (+): TPOAb and/or TgAb positive.
  3. *Mean ± standard deviation.
  4. **Median (interquartile range).
  5. *** t test or log-transformed t test (selenium and thyroid volume).
  6. Chi-square test.
  7. ‡‡Mann–Whitney U test.