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Table 3 3a. Univariate analysis of single variables predicting residual interatrial shunting after interventional PFO- closure.

From: Risk and fate of residual interatrial shunting after transcatheter closure of patent foramen ovale: a long term follow up study

Factor

HR

95% CI

P

Premere

1,628

,052

51,027

,782

Cardioseal

3,697

,486

28,156

,207

Helex

19,048

2,409

150,639

,005

PFO length [mm]

1,162

,998

1,353

,054

ASA[mm]

1,130

,950

1,344

,169

Eustachian valve

2,508

,461

13,652

,287

Chiari network

3,758

,510

27,722

,194

Severity of shunting

1,012

,998

1,026

,091

3b. Multivariate-regression analysis for the most predictive factors for residual shunting after PFO-closure.

Factor

HR

95% CI

p

Helex

12.58

2.573

57.438

,002

PFO-length

1,173

1.052

1,307

,004

ASA

1,130

,950

1,29

,05

  1. HR = hazard ratio, CI = confidence interval, ASA = atrial septum aneurysm, PFO = persistent foramen ovale, Eustach = prevalence of Eustachien valve, Chiari = prevalence of chiari-net