Table 4.

Atrial parameters.

	Elite group			Non-elite group			Comparison between		Interaction
	(n = 20)			(n = 38)			two groups
	Pre-	Post-	Pre/post-	Pre-	Post-	Pre/Post-	Pre-exercise	Post-exercise	p-value
	exercise	exercise	p-value	exercise	exercise	p-value	p-value	p-value
LA volume (ml)	40.8 ± 11.3	45.9 ± 13.3	0.103	34.0 ± 11.6	36.7 ± 12.9	0.137	0.072	0.025	0.459
LA Peak atrial longitudinal strain (%)	56.3 ± 4.4	51.9 ± 6.1	0.003	59.6 ± 10.1	51.0 ± 10.1	<0.0001	0.088	0.689	0.091
RA volume (ml)	46.4 ± 15.4	42.1 ± 11.9	0.189	42.8 ± 11.3	45.6 ± 10.4	0.088	0.316	0.246	0.029
RA Peak atrial longitudinal strain (%)	55.5 ± 8.2	49.4 ± 8.8	<0.0001	59.8 ± 9.5	52.0 ± 9.8	<0.0001	0.337	0.374	0.089

LA, left atrium; RA, right atrium.