TABLE 2.

Basic parameters of SD rats.

	Group	Baseline	4th week	6th week	10th week
fT3	ML	6.09 ± 0.75	6.39 ± 0.54	5.61 ± 0.85	3.8 ± 0.59***
	MH	5.76 ± 0.59	5.66 ± 0.46	4.56 ± 0.32**	3.82 ± 0.62***
	PL	6.84 ± 0.63	6.14 ± 0.71	5.97 ± 0.63*	4.88 ± 0.49***
	PH	5.42 ± 0.45	6 ± 0.87	5.21 ± 0.48	4.43 ± 0.7**
	ATDs	6.06 ± 0.8	6.05 ± 0.69	5.43 ± 0.78**	4.35 ± 0.73***
fT4	ML	19.9 ± 2.03	19.47 ± 2.69	17.68 ± 1.67*	14.87 ± 2.49**
	MH	20.97 ± 3.06	18.53 ± 1.81	13.49 ± 2.32**	13.61 ± 1.34***
	PL	21.42 ± 2.06	19.76 ± 2.26	19.7 ± 2.86	16.15 ± 2.37***
	PH	19.73 ± 3.03	20.81 ± 2.23	17.14 ± 2.48	14.48 ± 3.02**
	ATDs	20.53 ± 2.54	19.68 ± 2.3	17.38 ± 3.07***	14.92 ± 2.48***
TSH	ML	11.68 ± 2.18	12.72 ± 1.28	13.4 ± 1.71	15.01 ± 2.17*
	MH	11.62 ± 0.92	13.33 ± 1.85*	13.69 ± 1.56*	16.77 ± 2.93**
	PL	9.66 ± 1.8	12.06 ± 1.97*	10.03 ± 1.06	12.39 ± 2.16*
	PH	11.29 ± 1.41	10.9 ± 1.48	14.1 ± 1.64**	14.15 ± 0.92***
	ATDs	11.01 ± 1.78	12.22 ± 1.83*	12.66 ± 2.23**	14.25 ± 2.54***
Weight	ML	237.67 ± 10.87	244.44 ± 16.44	232.98 ± 16.95	238.73 ± 7.8
	MH	228.51 ± 15.07	230.11 ± 21.67	227.62 ± 25.31	219.68 ± 15.93
	PL	230.79 ± 11.66	224.58 ± 18.48	210.3 ± 20.29*	199.9 ± 13.46***
	PH	244.77 ± 8.74	223.46 ± 11.67**	205.31 ± 15.27***	194.83 ± 15.18***
	Control 1	248.6 ± 12.38	280.88 ± 15.5*	287.28 ± 9.6**	319.25 ± 8.84***

The Wilcoxon rank-sum test was used to compare these parameters and values are expressed as the mean ± SD. Statistical difference from corresponding baseline expressed as p values: *p < 0 .05, **p < 0 .01, ***p < 0.001.