TABLE 3.

Summary of electrocardiographic data from aged adult control and HCM mice

Variable	Control	HCM	P
CV (%)	1.93 ± 0.16	0.84 ± 0.08	<0.0001*
HF (ms2)	0.18 ± 0.04	0.04 ± 0.01	0.017*
HR (bpm)	744.15 ± 11.51	733.64 ± 7.55	0.26
HRV (bpm)	14.21 ± 1.13	6.13 ± 0.59	<0.001*
LF (ms2)	0.43 ± 0.11	0.06 ± 0.02	0.003*
RMSSD (ms)	1.41 ± 0.12	0.78 ± 0.06	0.0007*
R-R (ms)	80.91 ± 1.27	81.89 ± 0.08	0.27
TP (ms2)	0.71 ± 0.15	0.14 ± 0.03	0.002*

Data are means ± sem (n = 13 control; n = 10 HCM). *P < 0.05 vs. control.