Table 2 Comparison of two-dimensional echocardiography and four-dimensional left atrial auto quantification parameters

two-dimensional echocardiographic parameters

 LAD (mm)

32.29 ± 1.95

33.09 ± 2.74

-0.319 (-0.706 ∼ 0.069)

0.107

 IVSD (mm)

10.15 ± 1.17

10.25 ± 1.31

-0.069 (-0.455 ∼ 0.316)

0.678

 LVPWD (mm)

9.37 ± 1.09

9.40 ± 1.14

-0.005 (-0.39 ∼ 0.381)

0.962

 LVEDD (mm)

45.90 ± 3.23

46.17 ± 3.47

-0.079 (-0.465 ∼ 0.306)

0.687

 LVESD (mm)

29.02 ± 3.00

28.97 ± 3.00

0.018 (-0.368 ∼ 0.403)

0.929

 LVEF (%)

65.76 ± 3.41

66.31 ± 3.74

-0.154 (-0.54 ∼ 0.232)

0.435

 E/A

1.06 ± 0.31

1.07 ± 0.31

-0.022 (-0.407 ∼ 0.364)

0.906

 Average E/e’

8.62 ± 1.84

8.26 ± 1.89

0.193 (-0.194 ∼ 0.579)

0.328

 LAVI (mL/m²)

18.95 ± 2.57

19.86 ± 3.28

-0.297 (-1.007 ∼ 0.413)

0.412

four-dimensional left atrial auto quantification parameters

 LAVmin (mL)

15.46 ± 1.63

18.66 ± 3.53

-1.073 (-1.482∼-0.66)

< 0.001*

 LAVmax (mL)

36.17 ± 3.57

37.43 ± 5.98

-0.241 (-0.627 ∼ 0.147)

0.168

 LAVImin (mL/m2)

9.04 ± 1.10

10.66 ± 2.14

-0.897 (-1.299∼-0.492)

< 0.001*

 LAVImax (mL/m2)

20.91 ± 2.91

21.40 ± 3.71

-0.142 (-0.527 ∼ 0.244)

0.386

 LAVpreA(mL)

21.40 ± 0.44

27.20 ± 7.22

-1.008 (-1.414∼-0.598)

< 0.001*

 LAEF (%)

57.85 ± 4.47

50.44 ± 5.96

1.357 (0.929 ∼ 1.78)

< 0.001*

 LASr (%)

25.00 (20.50–29.50)

20.00 (16.00-24.25)

0.499 (0.303 ∼ 0.655)

< 0.001*

 LAScd (%)

-16.32 ± 4.19

-11.37 ± 4.65

-1.103 (-1.513∼-0.688)

< 0.001*

 LASct (%)

-12.27 ± 2.85

-9.60 ± 4.12

-0.721 (-1.116∼-0.322)

< 0.001*

 LASr-c (%)

34.32 ± 6.90

28.41 ± 6.95

0.852 (0.448 ∼ 1.252)

< 0.001*

 LAScd-c (%)

-17.90 ± 4.84

-11.46 ± 4.96

-1.311 (-1.732∼-0.886)

< 0.001*

 LASct-c (%)

-18.54 ± 4.85

-16.23 ± 6.11

-0.406 (-0.794∼-0.016)

0.041*