Table 1.

Comparison of T3, T4 and TSH levels (mean±SD) before and after treatment

	T3 (nmol/L)	T4 (nmol/L)	TSH (mU/L)
Before treatment	2.46±1.32	46.01±37.46	66.81±15.83
After 1 month of treatment	2.49±0.56	119.83±42.42*	10.09±13.35*
After 1 month of discontinued therapy	2.60±0.26	147.20±35.58*	2.74±1.92*

^*Compared with before treatment, P<0.01