Table 1

Baseline subject characteristics

Cryoballoon CA (n = 107)AAD (n = 111)
Demographics and echocardiographic characteristics
 Age (years)50.5 (13.1)54.1 (13.4)
 Sex, male76 (71.0%)72 (64.9%)
 Time from first ECG-documented AF to enrolment (years)0.7 (1.5)0.8 (2.1)
 Left atrial diameter (short axis) (mm)37.0 (5.9)38.0 (4.9)
 Left atrial diameter (long axis) (mm)46.8 (8.2)47.7 (6.3)
 Left ventricular ejection fraction (%)62.8 (5.4)63.7 (5.4)
EHRA class
 Class I0 (0.0%)0 (0.0%)
 Class II75 (70.1%)83 (74.8%)
 Class III30 (28.0%)25 (22.5%)
 Class IV2 (1.9%)1 (0.9%)
Medical history
 Hypertension33 (30.8%)40 (36.0%)
 Diabetes1 (0.9%)4 (3.6%)
 Hyperlipidaemia23 (21.5%)25 (22.5%)
 Myocardial infarction2 (1.9%)0 (0.0%)
 Coronary artery disease2 (1.9%)1 (0.9%)
 Congestive heart failure0 (0.0%)0 (0.0%)
 Stroke0 (0.0%)0 (0.0%)
 Transient ischaemic attack0 (0.0%)1 (0.9%)
 Valve dysfunction3 (2.8%)2 (1.8%)
CHA2DS2-VASc score
 049 (45.8%)38 (34.2%)
 133 (30.8%)40 (36.1%)
 213 (12.2%)15 (13.5%)
 34 (3.7%)10 (9.0%)
 43 (2.8%)2 (1.8%)
Baseline medications
 Anticoagulant38 (35.5%)49 (44.1%)
 Acetylsalicylic acid5 (4.7%)7 (6.3%)
 β-Blocker54 (50.5%)56 (50.5%)
 Calcium channel blocker9 (8.4%)15 (13.5%)
Cryoballoon CA (n = 107)AAD (n = 111)
Demographics and echocardiographic characteristics
 Age (years)50.5 (13.1)54.1 (13.4)
 Sex, male76 (71.0%)72 (64.9%)
 Time from first ECG-documented AF to enrolment (years)0.7 (1.5)0.8 (2.1)
 Left atrial diameter (short axis) (mm)37.0 (5.9)38.0 (4.9)
 Left atrial diameter (long axis) (mm)46.8 (8.2)47.7 (6.3)
 Left ventricular ejection fraction (%)62.8 (5.4)63.7 (5.4)
EHRA class
 Class I0 (0.0%)0 (0.0%)
 Class II75 (70.1%)83 (74.8%)
 Class III30 (28.0%)25 (22.5%)
 Class IV2 (1.9%)1 (0.9%)
Medical history
 Hypertension33 (30.8%)40 (36.0%)
 Diabetes1 (0.9%)4 (3.6%)
 Hyperlipidaemia23 (21.5%)25 (22.5%)
 Myocardial infarction2 (1.9%)0 (0.0%)
 Coronary artery disease2 (1.9%)1 (0.9%)
 Congestive heart failure0 (0.0%)0 (0.0%)
 Stroke0 (0.0%)0 (0.0%)
 Transient ischaemic attack0 (0.0%)1 (0.9%)
 Valve dysfunction3 (2.8%)2 (1.8%)
CHA2DS2-VASc score
 049 (45.8%)38 (34.2%)
 133 (30.8%)40 (36.1%)
 213 (12.2%)15 (13.5%)
 34 (3.7%)10 (9.0%)
 43 (2.8%)2 (1.8%)
Baseline medications
 Anticoagulant38 (35.5%)49 (44.1%)
 Acetylsalicylic acid5 (4.7%)7 (6.3%)
 β-Blocker54 (50.5%)56 (50.5%)
 Calcium channel blocker9 (8.4%)15 (13.5%)

Values are n (%) or mean (standard deviation).

AAD, antiarrhythmic drug; AF, atrial fibrillation; CA, catheter ablation; EHRA, European Heart Rhythm Association score.

Table 1

Baseline subject characteristics

Cryoballoon CA (n = 107)AAD (n = 111)
Demographics and echocardiographic characteristics
 Age (years)50.5 (13.1)54.1 (13.4)
 Sex, male76 (71.0%)72 (64.9%)
 Time from first ECG-documented AF to enrolment (years)0.7 (1.5)0.8 (2.1)
 Left atrial diameter (short axis) (mm)37.0 (5.9)38.0 (4.9)
 Left atrial diameter (long axis) (mm)46.8 (8.2)47.7 (6.3)
 Left ventricular ejection fraction (%)62.8 (5.4)63.7 (5.4)
EHRA class
 Class I0 (0.0%)0 (0.0%)
 Class II75 (70.1%)83 (74.8%)
 Class III30 (28.0%)25 (22.5%)
 Class IV2 (1.9%)1 (0.9%)
Medical history
 Hypertension33 (30.8%)40 (36.0%)
 Diabetes1 (0.9%)4 (3.6%)
 Hyperlipidaemia23 (21.5%)25 (22.5%)
 Myocardial infarction2 (1.9%)0 (0.0%)
 Coronary artery disease2 (1.9%)1 (0.9%)
 Congestive heart failure0 (0.0%)0 (0.0%)
 Stroke0 (0.0%)0 (0.0%)
 Transient ischaemic attack0 (0.0%)1 (0.9%)
 Valve dysfunction3 (2.8%)2 (1.8%)
CHA2DS2-VASc score
 049 (45.8%)38 (34.2%)
 133 (30.8%)40 (36.1%)
 213 (12.2%)15 (13.5%)
 34 (3.7%)10 (9.0%)
 43 (2.8%)2 (1.8%)
Baseline medications
 Anticoagulant38 (35.5%)49 (44.1%)
 Acetylsalicylic acid5 (4.7%)7 (6.3%)
 β-Blocker54 (50.5%)56 (50.5%)
 Calcium channel blocker9 (8.4%)15 (13.5%)
Cryoballoon CA (n = 107)AAD (n = 111)
Demographics and echocardiographic characteristics
 Age (years)50.5 (13.1)54.1 (13.4)
 Sex, male76 (71.0%)72 (64.9%)
 Time from first ECG-documented AF to enrolment (years)0.7 (1.5)0.8 (2.1)
 Left atrial diameter (short axis) (mm)37.0 (5.9)38.0 (4.9)
 Left atrial diameter (long axis) (mm)46.8 (8.2)47.7 (6.3)
 Left ventricular ejection fraction (%)62.8 (5.4)63.7 (5.4)
EHRA class
 Class I0 (0.0%)0 (0.0%)
 Class II75 (70.1%)83 (74.8%)
 Class III30 (28.0%)25 (22.5%)
 Class IV2 (1.9%)1 (0.9%)
Medical history
 Hypertension33 (30.8%)40 (36.0%)
 Diabetes1 (0.9%)4 (3.6%)
 Hyperlipidaemia23 (21.5%)25 (22.5%)
 Myocardial infarction2 (1.9%)0 (0.0%)
 Coronary artery disease2 (1.9%)1 (0.9%)
 Congestive heart failure0 (0.0%)0 (0.0%)
 Stroke0 (0.0%)0 (0.0%)
 Transient ischaemic attack0 (0.0%)1 (0.9%)
 Valve dysfunction3 (2.8%)2 (1.8%)
CHA2DS2-VASc score
 049 (45.8%)38 (34.2%)
 133 (30.8%)40 (36.1%)
 213 (12.2%)15 (13.5%)
 34 (3.7%)10 (9.0%)
 43 (2.8%)2 (1.8%)
Baseline medications
 Anticoagulant38 (35.5%)49 (44.1%)
 Acetylsalicylic acid5 (4.7%)7 (6.3%)
 β-Blocker54 (50.5%)56 (50.5%)
 Calcium channel blocker9 (8.4%)15 (13.5%)

Values are n (%) or mean (standard deviation).

AAD, antiarrhythmic drug; AF, atrial fibrillation; CA, catheter ablation; EHRA, European Heart Rhythm Association score.

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