Table 1. Serum thyroid hormone, TSH, lipids, ET and NO levels.

	C	SCH	SCH+T4
TT3 (ng/ml)	0.87±0.15	0.81±0.12	0.83±0.19
TT4 (ng/ml)	59.82±9.56	52.31±10.3	54.12±9.43
TSH (μIU/ml)	0.95±0.48	17.4±6.41*	0.83±0.29 #
TC (mmol/l)	1.26±0.06	2.38±0.55*	1.29±0.05 #
LDL-C(mmol/l)	0.40±0.08	1.02±0.32*	0.42±0.04 #
TG (mmol/l)	0.43±0.09	0.44±0.08	0.42±0.05
HDL-C(mmol/l)	0.78±0.04	0.80±0.02	0.79±0.03
ET (nmol/l)	93.41±17.23	160.62±37.25*	98.54±32.43 #
NO (μmol/l)	314.75±32.69	235.13±20.14*	307.69±32.85 #

Data are expressed as the mean±standard error (SE).

*P<0.05 vs. control group;

^#P<0.05 vs.

SCH group; NS, not significant. TT3: Total triiodothyronin; TT4:Total thyroxin; TSH: thyroid-stimulating hormone; TC: Total cholesterol; LDL-C: Low-density lipoprotein cholesterol; TG: Triglyceride; HDL: high density lipoprotein cholesterol; ET: endothelin; NO: nitric oxide.