Table 1.

Dyad density in cardiac myocytes.

	CTR	IMY	P
Counts per sarcomere
All dyads	0.78 ± 0.02	0.73 ± 0.02	0.06
Compact dyads	0.58 ± 0.02	0.39 ± 0.03	4.0E-7
Loose dyads	0.20 ± 0.02	0.35 ± 0.03	1.8E-4
Fraction of dyads
Compact dyads	0.74 ± 0.02	0.53 ± 0.04	3.6E-6
Loose dyads	0.26 ± 0.02	0.47 ± 0.04	3.6E-6

Data are given as mean ± s.e.m., n = 32 for both animal groups; P - Student’s t-test p-value.