Table 1.

Body and organ weight, and organ weight/body weight ratio in sham-operated, ovariectomized, and ovariectomized rats supplemented with 17-β-estradiol

	Sham-operated n = 20		Ovariectomized n = 10		Ovariectomized + E2n = 10
	Weight	Organ/BW, mg/g	Weight	Organ/BW, mg/g	Weight	Organ/BW, mg/g
Body weight, g	255  ± 2	—	285  ± 3*	—	260.6  ± 3†	—
Uterus, mg	448  ± 77	1.75  ± 0.30	119  ± 2*	0.42  ± 0.01*	292  ± 10†	1.12  ± 0.03*†
Heart, mg	810  ± 21	3.17  ± 0.04	872  ± 18*	3.05  ± 0.05	857  ± 23*	3.29  ± 0.08†
Left atrium, mg	40  ± 2	0.16  ± 0.01	24  ± 2*	0.08  ± 0.01*	31  ± 3*	0.12  ± 0.01*†
Right atrium, mg	42  ± 3	0.17  ± 0.01	35  ± 5	0.12  ± 0.02*	45  ± 4	0.17  ± 0.02†
Atria, mg	83  ± 4	0.32  ± 0.02	59  ± 5*	0.19  ± 0.01*	76  ± 4†	0.29  ± 0.02†
Left ventricle, mg	599  ± 10	2.35  ± 0.03	668  ± 10*	2.30  ± 0.03	633  ± 20	2.40  ± 0.07
Right ventricle, mg	128  ± 5	0.51  ± 0.02	145  ± 7	0.51  ± 0.02	148  ± 8*	0.57  ± 0.03*
Ventricles, mg	728  ± 10	2.84  ± 0.04	813  ± 17*	2.84  ± 0.04	781  ± 23*	3.00  ± 0.08

E₂, 17-β-estradiol. 

^*, P < 0.05 vs. sham-operated.  

^†, P < 0.05 vs. ovariectomized control.