Table 1. Body and heart weights of metoprolol treated mice.

	C57 Bl10	C57Bl10 metoprolol	Sgcd-/-	Sgcd-/- metoprolol	Mdx	mdx metoprolol
Body weight (g)	32.6 (0.72)	31.7 (0.76)	29.3 (0.63) *	29.1 (0.53) *	35.6 (0.55)	33.2 (1.08) $$
Heart weight (mg)	125.8 (2.73)	132.0 (6.94)	131.6 (3.95)	143.2 (4.70)	156.4 (4.30)*** $$	151.8 (6.53) *
Heart weight to body weight ratio	3.9 (0.12)	4.2 (0.26)	4.4 (0.13)	4.9 (0.09) ***	4.4 (0.09)*	4.5 (0.14) *

Mean+SEM. * different from C57 B10 control, $ different from Sgcd-/- control. Number of symbols denotes level of significance e.g. *p<0.05, **p<0.01, ***p<0.001