Innate collateral segments are predominantly present in the subendocardium without preferential connectivity within the left ventricular wall

. 2014 Jan 23;592(Pt 5):1047–1060. doi: 10.1113/jphysiol.2013.258855

Statistical significance of differences in median diameter for the regions and their respective layers

		LVFW		SEP			RVW
		Mid	Epi	Endo	Mid	Epi	Endo	Epi
LVFW	Endo	P < 0.01	P < 0.001	n.s.	n.s.	n.s.	P < 0.01	n.s.
	Mid	—	n.s.	P < 0.001	n.s.	n.s.	P < 0.001	n.s.
	Epi	—	—	P < 0.001	n.s.	n.s.	P < 0.001	n.s.
SEP	Endo	—	—	—	P < 0.01	P < 0.05	n.s.	P < 0.01
	Mid	—	—	—	—	n.s.	P < 0.001	n.s.
	Epi	—	—	—	—	—	P < 0.05	n.s.
RVW	Endo	—	—	—	—	—	—	P < 0.01

Abbreviations: Endo, endocardial layer; Epi, epicardial layer; LVFW, left ventricular free wall; Mid, mid-myocardial layer; n.s., not significant; RVW, right ventricular wall; and SEP, septum.