Reference ranges for cardiac structure and function using cardiovascular magnetic resonance (CMR) in Caucasians from the UK Biobank population cohort

Table 15 Correlation table for atrial parameters with age

	Males		Females
	r ^a	Level of significance	r ^a	Level of significance
Maximal LA volume (2Ch)	−0.11	*	−0.11	*
Maximal LA volume (4Ch)	−0.1		−0.14	**
Maximal LA volume (Biplane)	−0.11	*	−0.14	**
LA SV (Biplane)	−0.12	*	−0.23	****
indexed Maximal LA volume (2Ch)	−0.07		−0.08
indexed Maximal LA volume (4Ch)	−0.05		−0.11	*
indexed Maximal LA volume (Biplane)	−0.06		−0.11	*
indexed LA SV (Biplane)	−0.07		−0.2	****
LA EF (Biplane)	−0.01		−0.15	**
Maximal RA volume (4Ch)	0.01		0
RA SV (4Ch)	0		−0.06
indexed Maximal RA volume (4Ch)	0.06		0.04
indexed RA SV (4Ch)	0.04		−0.03
RA EF (4Ch)	0.01		−0.11	*

**** p < 0.001; *** p < 0.001; ** p < 0 .01; * p < 0.05
^aPearson correlation coefficient
LA, left atrium; RA, right atrium; SV, stroke volume; EF, ejection fraction; 2Ch, two-chamber; 4Ch, four-chamber; Biplane, derived from four-chamber and two-chamber views; indexed, absolute values divided by body surface area

ISSN: 1532-429X