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Table 1 changes in the mean serum levels of thyroid hormones T3, T4 and TSH in the different groups

From: Effects of chronic estradiol treatment on the thyroid gland structure and function of ovariectomized rats

Mean ± SD Group 1 (sham operated) Group 2 (ovariectomized) Group 3 (estradiol treated)
T3 ng/dL 54.001 ± 2.29 52.754 ± 2.14 65.007 ± 4.79*#
T4 ng/dL 66.021 ± 1.32 63.592 ± 1.46 80.615 ± 3.61*#
TSH microU/dL 33.96 ± 1.86 36.161 ± 1.46 24.587 ± 3.2*#
  1. Marked differences * are significant at p < .05 compared to Group 1 (sham operated)
  2. Marked differences # are significant at p < .05 compared to Group 2 (ovariectomized)