Table 3:

Postoperative characteristics of the population subgroups

DataCMIIICryo LAHIFUOtherTotal resultP-value
n292246299
Follow-up1.13 ± 0.82 (0.09, 3.63)1.44 ± 1.05 (0.11–4.6)1.41 ± 0.95 (0.13–4.07)0.53 ± 0.2 (0.28–0.76)1.34 ± 0.95 (0.09–4.6)0.02
NYHA
 Class I1610150410.14
 Class II3715126
 Class III21508
 Class IV00000
 Unknown8411124
EHRA
 EHRA I1717291640.62
 EHRA II20204
 EHRA III10102
 EHRA IV00000
 Unknown9514129
AF burden
 Mean ± SD0.089 ± 0.2430.004 ± 0.0090.087 ± 0.1970.001 ± 0.0010.067 ± 0.1900.025
 1st quartile–median–3rd quartile0.001–0.001–0.0040.001–0.001–0.0020.001–0.004–0.0480.001–0.002–0.0020.001–0.002–0.019
 Patients with AF burden <0.0123 (79.3%)19 (86.4%)27 (58.7%)2 (100%)71 (71.7%)
 Patients with AF burden <0.0524 (82.8%)22 (100%)34 (73.9%)2 (100%)82 (82.8%)
 LVEF56.1 ± 11.2 (28–83)57.63 ± 9.78 (40–75)55.88 ± 11.19 (18–81)70.33 ± 12.1 (61–84)56.47 ± 10.96 (18–84)0.70
 LAD parasternal4.81 ± 0.68 (2.77–6.5)5.57 ± 5.5 (3.1–53)5.31 ± 5.13 (2.9–48)4.4 ± 0.9 (3.5–5.3)5.21 ± 4.34 (2.77–53)0.28
 MR
  None/trivial1113101350.24
  Grade I8514027
  Grade II00101
  Unknown10421136
Cardioversion attempt
 Electrical (n; time range in years)8 (0.02–2.9)1 (0.1)19 (0.16–3.3)028 (0.016–3.3)0.002
 Pharmacological (n; time range in years)1 (2.9)06 (0.7–3.9)07 (0.7–3.9)0.88
Complications (n of events)
 Major bleeding events11
 Re-ablation0235
 TIA00000
 PRIND00000
 Stroke10102
Medication
 Sotalol00101
 β-Blocker242028173
 Amiodarone13917140
 Digitalis554014
 Dronedarone11103
 Warfarin271927073
 Aspirin7713128
DataCMIIICryo LAHIFUOtherTotal resultP-value
n292246299
Follow-up1.13 ± 0.82 (0.09, 3.63)1.44 ± 1.05 (0.11–4.6)1.41 ± 0.95 (0.13–4.07)0.53 ± 0.2 (0.28–0.76)1.34 ± 0.95 (0.09–4.6)0.02
NYHA
 Class I1610150410.14
 Class II3715126
 Class III21508
 Class IV00000
 Unknown8411124
EHRA
 EHRA I1717291640.62
 EHRA II20204
 EHRA III10102
 EHRA IV00000
 Unknown9514129
AF burden
 Mean ± SD0.089 ± 0.2430.004 ± 0.0090.087 ± 0.1970.001 ± 0.0010.067 ± 0.1900.025
 1st quartile–median–3rd quartile0.001–0.001–0.0040.001–0.001–0.0020.001–0.004–0.0480.001–0.002–0.0020.001–0.002–0.019
 Patients with AF burden <0.0123 (79.3%)19 (86.4%)27 (58.7%)2 (100%)71 (71.7%)
 Patients with AF burden <0.0524 (82.8%)22 (100%)34 (73.9%)2 (100%)82 (82.8%)
 LVEF56.1 ± 11.2 (28–83)57.63 ± 9.78 (40–75)55.88 ± 11.19 (18–81)70.33 ± 12.1 (61–84)56.47 ± 10.96 (18–84)0.70
 LAD parasternal4.81 ± 0.68 (2.77–6.5)5.57 ± 5.5 (3.1–53)5.31 ± 5.13 (2.9–48)4.4 ± 0.9 (3.5–5.3)5.21 ± 4.34 (2.77–53)0.28
 MR
  None/trivial1113101350.24
  Grade I8514027
  Grade II00101
  Unknown10421136
Cardioversion attempt
 Electrical (n; time range in years)8 (0.02–2.9)1 (0.1)19 (0.16–3.3)028 (0.016–3.3)0.002
 Pharmacological (n; time range in years)1 (2.9)06 (0.7–3.9)07 (0.7–3.9)0.88
Complications (n of events)
 Major bleeding events11
 Re-ablation0235
 TIA00000
 PRIND00000
 Stroke10102
Medication
 Sotalol00101
 β-Blocker242028173
 Amiodarone13917140
 Digitalis554014
 Dronedarone11103
 Warfarin271927073
 Aspirin7713128

EHRA and NYHA represent values at latest follow up.

TIA: transient ischaemic attack; PRIND: prolonged reversible ischaemic neurological deficit; AF: atrial fibrillation; LVEF: left ventricular ejection fraction; MR: mitral regurgitation; LAD: left atrial diameter; EHRA: European Heart Rhythm Association class; CMIII: Cox Maze III; Cryo LA: left atrial cryoablation; HIFU: high-intensity focused ultrasound; SD: standard deviation.

Table 3:

Postoperative characteristics of the population subgroups

DataCMIIICryo LAHIFUOtherTotal resultP-value
n292246299
Follow-up1.13 ± 0.82 (0.09, 3.63)1.44 ± 1.05 (0.11–4.6)1.41 ± 0.95 (0.13–4.07)0.53 ± 0.2 (0.28–0.76)1.34 ± 0.95 (0.09–4.6)0.02
NYHA
 Class I1610150410.14
 Class II3715126
 Class III21508
 Class IV00000
 Unknown8411124
EHRA
 EHRA I1717291640.62
 EHRA II20204
 EHRA III10102
 EHRA IV00000
 Unknown9514129
AF burden
 Mean ± SD0.089 ± 0.2430.004 ± 0.0090.087 ± 0.1970.001 ± 0.0010.067 ± 0.1900.025
 1st quartile–median–3rd quartile0.001–0.001–0.0040.001–0.001–0.0020.001–0.004–0.0480.001–0.002–0.0020.001–0.002–0.019
 Patients with AF burden <0.0123 (79.3%)19 (86.4%)27 (58.7%)2 (100%)71 (71.7%)
 Patients with AF burden <0.0524 (82.8%)22 (100%)34 (73.9%)2 (100%)82 (82.8%)
 LVEF56.1 ± 11.2 (28–83)57.63 ± 9.78 (40–75)55.88 ± 11.19 (18–81)70.33 ± 12.1 (61–84)56.47 ± 10.96 (18–84)0.70
 LAD parasternal4.81 ± 0.68 (2.77–6.5)5.57 ± 5.5 (3.1–53)5.31 ± 5.13 (2.9–48)4.4 ± 0.9 (3.5–5.3)5.21 ± 4.34 (2.77–53)0.28
 MR
  None/trivial1113101350.24
  Grade I8514027
  Grade II00101
  Unknown10421136
Cardioversion attempt
 Electrical (n; time range in years)8 (0.02–2.9)1 (0.1)19 (0.16–3.3)028 (0.016–3.3)0.002
 Pharmacological (n; time range in years)1 (2.9)06 (0.7–3.9)07 (0.7–3.9)0.88
Complications (n of events)
 Major bleeding events11
 Re-ablation0235
 TIA00000
 PRIND00000
 Stroke10102
Medication
 Sotalol00101
 β-Blocker242028173
 Amiodarone13917140
 Digitalis554014
 Dronedarone11103
 Warfarin271927073
 Aspirin7713128
DataCMIIICryo LAHIFUOtherTotal resultP-value
n292246299
Follow-up1.13 ± 0.82 (0.09, 3.63)1.44 ± 1.05 (0.11–4.6)1.41 ± 0.95 (0.13–4.07)0.53 ± 0.2 (0.28–0.76)1.34 ± 0.95 (0.09–4.6)0.02
NYHA
 Class I1610150410.14
 Class II3715126
 Class III21508
 Class IV00000
 Unknown8411124
EHRA
 EHRA I1717291640.62
 EHRA II20204
 EHRA III10102
 EHRA IV00000
 Unknown9514129
AF burden
 Mean ± SD0.089 ± 0.2430.004 ± 0.0090.087 ± 0.1970.001 ± 0.0010.067 ± 0.1900.025
 1st quartile–median–3rd quartile0.001–0.001–0.0040.001–0.001–0.0020.001–0.004–0.0480.001–0.002–0.0020.001–0.002–0.019
 Patients with AF burden <0.0123 (79.3%)19 (86.4%)27 (58.7%)2 (100%)71 (71.7%)
 Patients with AF burden <0.0524 (82.8%)22 (100%)34 (73.9%)2 (100%)82 (82.8%)
 LVEF56.1 ± 11.2 (28–83)57.63 ± 9.78 (40–75)55.88 ± 11.19 (18–81)70.33 ± 12.1 (61–84)56.47 ± 10.96 (18–84)0.70
 LAD parasternal4.81 ± 0.68 (2.77–6.5)5.57 ± 5.5 (3.1–53)5.31 ± 5.13 (2.9–48)4.4 ± 0.9 (3.5–5.3)5.21 ± 4.34 (2.77–53)0.28
 MR
  None/trivial1113101350.24
  Grade I8514027
  Grade II00101
  Unknown10421136
Cardioversion attempt
 Electrical (n; time range in years)8 (0.02–2.9)1 (0.1)19 (0.16–3.3)028 (0.016–3.3)0.002
 Pharmacological (n; time range in years)1 (2.9)06 (0.7–3.9)07 (0.7–3.9)0.88
Complications (n of events)
 Major bleeding events11
 Re-ablation0235
 TIA00000
 PRIND00000
 Stroke10102
Medication
 Sotalol00101
 β-Blocker242028173
 Amiodarone13917140
 Digitalis554014
 Dronedarone11103
 Warfarin271927073
 Aspirin7713128

EHRA and NYHA represent values at latest follow up.

TIA: transient ischaemic attack; PRIND: prolonged reversible ischaemic neurological deficit; AF: atrial fibrillation; LVEF: left ventricular ejection fraction; MR: mitral regurgitation; LAD: left atrial diameter; EHRA: European Heart Rhythm Association class; CMIII: Cox Maze III; Cryo LA: left atrial cryoablation; HIFU: high-intensity focused ultrasound; SD: standard deviation.

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