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Table 4 Prevalence of Subclinical hypothyroidism in each BMI category

From: Elevated serum TSH concentrations are associated with higher BMI Z-scores in southern Iranian children and adolescents

   Underweight Healthy weight Overweight Obese P
All ages All subjects 9.9% 13.8% 17.2% 20.5% 0.032*
Male subjects 10.1% 14.3% 11.9% 24.3% 0.037*
Female subjects 9.7% 13.6% 20.3% 16.8% 0.297
2-9 year olds All subjects 9.6% 12.1% 23.9% 24.8% 0.005*
Male subjects 11.1% 15.9% 0.0% 30.0% 0.065
Female subjects 7.9% 10.3% 28.2% 21.3% 0.011*
10-18 year olds All subjects 10.3% 15.9% 12.9% 17.1% 0.624
Male subjects 8.8% 12.9% 14.3% 21.1% 0.345
Female subjects 12.5% 18.0% 11.4% 11.5% 0.642
  1. Abbreviations: BMI, body mass index;