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Table 1 Baseline characteristics

From: 3D electroanatomical mapping is less sensitive to atrial remodeling in estimation of true left atrial volume than echocardiography

N = 100

Mean ± SD

or n (%)

Median

IQR

Age (years)

63 ± 8

Males

71 (71%)

Paroxysmal AF

55 (55%)

Present sinus rhythm

62 (62%)

Hypertension

71 (71%)

Diabetes mellitus

13 (13%)

Structural heart disease

23 (23%)

Congenital heart disease

0 (0%)

  

CHADS2 score

1

1; 2

CHA2DS2-VASc score

2

1; 3

LV EF (%)

62

56; 66

LAVi (ml/m2)

40 ± 11

CARTO mapping points

135 ± 66

ECHO LAD (PLAX) (mm)

46 ± 6

ECHO LAlong (A4C) (mm)

58 ± 8

ECHO LAshort (A4C) (mm)

47 ± 7

CT LAlong (A4C) (mm)

52 ± 8

CT LAshort (A4C) (mm)

43 ± 6

CT LACranio-caudal (mm)

61 ± 7

CT LAAntero-posterior (mm)

52 ± 7

CT LATransversal (mm)

69 ± 7

LA Sphericity index

81 ± 7

  1. AF atrial fibrillation; LV EF left ventricular ejection fraction; LAVi left atrial volume indexed to body surface area; CT computed tomography; LAD left atrial diameter in parasternal long-axis view (PLAX); LA – left atrium; A4C – Apical four chamber view. SD standard deviation; IQR interquartile range