Table 3.

Changes to the serum levels of T4 during the study (all data are reported as Mean ± S).

Age group Years	Serum T4 (µg/dL)
	BB 1	BD 2	Difference	Pvalue
≤ 40(n=33)	8.87±2.62	8.42±1.25	0.45±1.37	0.4
> 40(n=17)	9.20±1.62	9.05±1.25	0.15±0.37	0.7
Total(n=50)	8.98±2.32	8.63±1.27	0.35±1.05	0.3

¹. before breakfast,

². Before dinner