Table 1.

Collagen I/muscle ratio in each anatomical region and in totum in LFN-exposed (n=8) and control (n=8) animals

Anatomical region	Group	Mean	Std. error	Percent increase with LFN exposure	p
LV	Exposed	0.044	0.006	76%	0.055
	Control	0.025	0.006
IVS	Exposed	0.037	0.006	105%	0.046
	Control	0.018	0.006
RV	Exposed	0.059	0.008	84%	0.032
	Control	0.032	0.008
in totum	Exposed	0.045	0.002	80%	<0.001
	Control	0.025	0.002

LV=Left Ventricle; IVS=Interventricular Septum; RV=Right Ventricle; LFN=Low-Frequency Noise.