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Table 2 Comparison of thyroid function parameters before and after trial (mean ± SD)

From: Exploration of the lower threshold of iodine intake in Southern Chinese young adults based on ‘overflow theory’ in an iodine balance study

  FT4 (pmol/L) FT3 (pmol/L) TSH (μIU/ml)
Male (n=14)
 Before trial 19.62±2.48 5.67±0.45 1.98±0.72
 After trial 20.54±2.23 5.61±0.53 2.02±0.84
P value 0.167 0.744 0.904
Female (n=23)
 Before trial 17.74±2.09 4.92±0.6 1.86±0.91
 After trial 17.44±2.15 4.92±0.59 1.72±0.94
P value 0.330 0.970 0.079
All (n=37)
 Before trial 18.45±2.4 5.2±0.65 1.91±0.83
 After trial 18.61±2.64 5.18±0.65 1.83±0.89
P value 0.604 0.797 0.147
  1. FT4 free thyroxine, FT3 free triiodothyronine, TSH thyroid stimulating hormone