Table 3.

Comparison of the Change in Hemoglobin Over Time Post ¹³¹I in the Control Group and the Metformin Group

	Control group, M (SE)	MF group, M (SE)	MF vs. control
Baseline, g/dL	13.65 (0.24)	12.93 (0.23)	−0.72 (0.33), p = 0.03**
Change at 1 month post tx	−0.88 (0.18)	−0.43 (0.18)	p = 0.08**
%	−6.5%	−3.3%
p-value	<0.0001*	0.02*
Change at 6 months post tx	−0.54 (0.17)	−0.24 (0.20)	p = 0.26**
%	−4%	−1.9%
p-value	0.002*	0.22*
Change at 12 months post tx	−0.18 (0.17)	−0.12 (0.16)	p = 0.82**
%	−1.3%	−0.9%
p-value	0.3*	0.45*

Statistically significant differences (p < 0.05) are noted in bold.

^*Represents the comparison performed between the value at a specific time point and the baseline value.

^**Represents the comparison performed between the control and the metformin group at each specific time point.