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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