Table 2.

Anatomical data

Variable	Sham	MI‐Sed	MI‐Ex	MI‐βb
BW (g)	27.99 ± 0.54	29.36 ± 0.32	28.14 ± 0.46	29.18 ± 0.44
HW/BW (%)	4.01 ± 0.06	4.78 ± 0.12*	5.21 ± 0.15*	4.95 ± 0.13[Link]
LVW/BW (%)	2.98 ± 0.05	3.62 ± 0.08*	3.85 ± 0.11*	3.71 ± 0.10*
RVW/BW (%)	0.78 ± 0.03	0.86 ± 0.03	1.01 ± 0.05	0.94 ± 0.03
LW/BW (%)	4.58 ± 0.09	4.63 ± 0.09	5.01 ± 0.11	4.64 ± 0.06
AW/BW (%)	0.24 ± 0.01	0.28 ± 0.01	0.34 ± 0.02	0.31 ± 0.02
SMW/BW (%)	8.16 ± 0.19	7.30 ± 0.26	9.10 ± 0.28#	7.74 ± 0.32

Data are presented as mean ± SEM. BW, body weight; HW/BW (%), the ratio of whole heart weight to BW; LVW/BW (%), the ratio of left ventricular weight to BW; RVW/BW (%), the ratio of right ventricular weight to BW; LW/BW (%), the ratio of lung weight to BW; AW/BW (%), the ratio of left atrial + right atrial weight to BW; SMW/BW (%), the ratio of sartorius muscle (on the femur) weight to BW.

^* P < 0.05, versus Sham; ^# P < 0.05, versus MI‐Sed (n = 9/group).