Table 1.

Plasma levels of TT4 and TSH in each group.

	CON		SCH		CH
	TSH (mIU/L)	TT4 (μg/dL)	TSH (mIU/L)	TT4 (μg/dL)	TSH (mIU/L)	TT4 (μg/dL)
4 Weeks after surgery	0.19 ± 0.10	4.24 ± 0.82	21.65 ± 8.54 *	1.52 ± 0.93 *	21.8 ± 3.65 *	1.34 ± 0.35 *
4 Weeks after l-T4 injection	0.36 ± 0.19	4.01 ± 0.97	4.01 ± 0.97	3.16 ± 1.09	13.0 ± 6.09 *	1.61 ± 0.55 *
14 Weeks after l-T4 injection	0.37 ± 0.26	3.51 ± 0.97	6.79 ± 3.70 *	3.86 ± 0.78	16.14 ± 4.58 *	1.77 ± 0.73 *

Values are presented as the means ± SEM; * p < 0.05, versus CON group; SEM, standard error of the mean; TSH, thyrotropin; TT₄, total thyroxine.