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Table 2 Percentage of subjects with Se levels below the threshold for optimal plasma glutathione peroxidase [45]

From: The role of selenium, vitamin C, and zinc in benign thyroid diseases and of selenium in malignant thyroid diseases: Low selenium levels are found in subacute and silent thyroiditis and in papillary and follicular carcinoma

  % of patients with
Study groups low Se sufficient Se
Controls 33,0 67,0
Ski jumpers 50,0 50,0
Ski runners 43,1 56,9
Children hypothyroidism 48,9 51,1
Children Hashimoto 46,4 53,6
Children hyperthroidism 75,0 25,0
Children polyendocrinopathy 66,7 33,3
Thyroid normal 49,5 50,5
Thyroid immunogenic 46,6 53,4
Subacute thyroiditis 76,0 24,0
Silent thyroiditis 84,6 15,4
follicular Ca 64,3 35,7
foll papillary Ca 63,6 36,4
giant cell papillary Ca 40,0 60,0
invasive Ca 75,0 25,0
papillary Ca 52,1 47,9