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Table 4 Predictors of recurrence of AF in catheter and surgical cohorts: univariate and multivariate analyses

From: Catheter ablation or surgical therapy in moderate-severe tricuspid regurgitation caused by long-standing persistent atrial fibrillation. Propensity score analysis

 

Univariate

Multivariate

HR (95% CI)

P value

HR (95% CI)

P value

Age (per 10 years)

Catheter

3.12 (1.32–6.72)

0.048

2.90 (0.75–5.65)

0.184

Surgical

3.34 (1.49–6.49)

0.020

3.01 (0.86–5.76)

0.152

CHADS2 Score

Catheter

4.12 (0.76–9.06)

0.079

3.17 (0.98–8.42)

0.801

Surgical

3.39 (0.59–6.49)

0.077

2.50 (0.73–4.21)

0.199

AF duration, months

Catheter

4.02 (1.16–8.89)

0.014

3.41 (0.94–6.19)

0.461

Surgical

4.86 (1.09–8.48)

0.037

3.71 (0.29–6.48)

0.303

LAD, mm

Catheter

1.05 (0.18–2.59)

0.097

0.97 (0.25–1.62)

0.344

Surgical

1.46 (0.59–2.51)

0.065

1.10 (0.37–1.75)

0.290

RAA, mm2

Catheter

2.40 (1.50–5.26)

0.021

1.01 (0.32–3.39)

0.053

Surgical

3.50 (1.69–8.03)

0.015

2.98 (0.79–8.23)

0.815

RVSI

Catheter

3.20 (1.20–7.13)

0.007

3.11 (1.69–6.76)

0.023

Surgical

2.94 (1.63–6.60)

0.002

3.01 (1.27–5.23)

0.004

RVFAC, %

Catheter

3.01 (1.40–5.38)

0.021

1.31 (0.35–2.81)

0.076

Surgical

1.47 (1.04–3.19)

0.016

1.19 (0.23–2.69)

0.110

Tethering height, mm

Catheter

5.32 (1.79–10.04)

0.017

4.06 (2.15–5.69)

0.011

Surgical

4.62 (1.58–9.83)

0.011

3.82 (1.92–5.42)

0.035

Tethering area, cm2

Catheter

1.52 (1.06–4.25)

0.008

0.97 (0.30–1.46)

0.144

Surgical

2.50 (1.66–6.39)

0.033

1.53 (0.73–2.21)

0.178

TR EROA, cm2

Catheter

3.53 (1.39–7.30)

0.028

1.95 (0.78–5.88)

0.082

Surgical

2.49 (1.37–6.38)

0.025

1.85 (0.05–3.23)

0.121

TR VC, cm

Catheter

2.39 (0.35–6.59)

0.078

2.52 (0.50–5.04)

0.127

Surgical

2.28 (0.18–6.18)

0.082

1.43 (0.26–5.37)

0.262

TR grade

Catheter

2.05 (1.58–5.33)

0.019

1.97 (0.69–3.26)

0.099

Surgical

1.95 (1.01–5.21)

0.037

2.29 (0.98–3.58)

0.194

TAD, cm

Catheter

2.54 (1.19–5.95)

0.016

1.90 (0.76–4.58)

0.415

Surgical

2.11 (1.57–5.52)

0.039

1.66 (0.52–4.34)

0.555

  1. AF Atrial fibrillation, CI = CI Confidence interval, EROA Effective regurgitant orifice area, LAD Left atrial diameter, RAA Right atrial area, RVFAC Right ventricle fractional area change, RVSI Right ventricle sphericity index, TR Tricuspid regurgitation, VC Vena contracta