Table 2.

The weight of thyroid and body of rat after treatment ($\overline{x}$ ± s, n = 8).

	Treatment	Concentration	Body weight (g)	Thyroid weight (g)	Thyroid coefficient (%)
Normal	—	—	300.88 ± 49.6	0.0496 ± 0.00596	0.0169 ± 0.00362
Goiter	Blank	—	281.25 ± 44.2	0.0848 ± 0.01694	0.0306 ± 0.00631∗∗∗
	LST		287.00 ± 48.79	0.0592 ± 0.0087	0.0207 ± 0.00187∗###
	SHB prescription	Light	258.25 ± 45.86	0.0681 ± 0.01069	0.0268 ± 0.00409∗∗∗ΔΔ
		Moderate	269.75 ± 41.55	0.0495 ± 0.00751	0.0184 ± 0.00183###Δ
		High	280.25 ± 46.63	0.0522 ± 0.00864	0.0192 ± 0.00472##

 ^∗P < 0.05 vs. normal group; ^∗∗∗P < 0.001 vs. normal group; ##P < 0.01 vs. blank group; ###P < 0.001 vs. blank group; ΔP < 0.05 vs. Goiter + LST group; ΔΔP  <  0.01 vs. Goiter + LST group.