Table 1.

Comparison of functional parameters of EA patients and healthy controls.

	EA patients	Controls	P-value	EA patients	Controls	P-value
	Right atrium			Left atrium
Reservoir function
Strain (εs (%))	20.50 ± 9.91	28.79 ± 10.86	0.009	17.81 ± 9.45	21.06 ± 5.79	0.037
Strain rate (SRs (/s))	0.96 ± 0.35	1.20 ± 0.42	0.037	0.74 ± 0.31	0.89 ± 0.27	0.094
Conduit function
Strain (εe (%))	14.31 ± 7.93	18.29 ± 8.85	0.094	13.14 ± 7.95	15.28 ± 5.30	0.040
Strain rate (SRe (/s))	− 0.65 ± 0.29	− 0.90 ± 0.42	0.021	− 0.76 ± 0.38	− 1.08 ± 0.44	0.007
Booster pump function
Strain (εa (%))	6.19 ± 4.88	10.49 ± 5.27	0.006	4.67 ± 3.38	5.78 ± 3.76	0.300
Strain rate (SRa (/s))	− 0.59 ± 0.40	− 0.90 ± 0.48	0.020	− 0.41 ± 0.32	− 0.61 ± 0.35	0.047
	Right ventricle			Left ventricle
EDVi (ml/m2)	117.54 ± 58.10	76.13 ± 16.97	< 0.001	72.35 ± 10.42	76.60 ± 10.19	0.172
ESVi (ml/m2)	66.85 ± 40.00	36.22 ± 9.09	< 0.001	29.64 ± 6.82	28.81 ± 8.14	0.708
EF total (%)	44.77 ± 8.33	52.99 ± 5.23	< 0.001	59.07 ± 7.50	62.75 ± 7.67	0.281
Longitudinal strain (εl (%))	− 13.48 ± 6.26	− 19.66 ± 3.60	< 0.001	− 15.67 ± 4.96	− 18.37 ± 4.78	0.067
Circumferential strain (εc (%))				− 17.61 ± 4.63	− 17.81 ± 3.13	0.870
Radial strain (εr (%))				25.65 ± 9.83	28.22 ± 9.75	0.378

P-value from t-test or Mann-Whitney-U test, bold p-values indicate statistical significance.

EA: Ebstein's Anomaly; AVI: atrial volume, indexed; EF: ejection fraction; indexed; ε: strain; SR: strain rate; EDVi: end-diastolic volume, ESVi: end-systolic volume, indexed; εc: circumferential strain; εr: radial strain.