Skip to main content

Table 1 Predictors of Atrial Arrhythmias in Patients with Repaired TOF

From: Cardiac magnetic resonance imaging predictors of atrial arrhythmias in patients with repaired tetralogy of Fallot

CMR Variables

 

HR

95% CI

p value

C Index

Max RA volume index (mL/m2)

↑5

1.10

(1.04, 1.17)

0.002

0.604

Min RA volume index (mL/m2)

↑5

1.13

(1.06, 1.21)

<0.001

0.619

RA FAC (%)

↓10

1.86

(1.14, 3.03)

0.013

0.615

RA ejection fraction (%)

↓10

1.37

(1.01, 1.88)

0.046

0.596

RV diastolic volume z-score

↑3

1.42

(1.04, 1.94)

0.029

0.585

RV systolic volume z-score

↑3

1.25

(1.06, 1.48)

0.007

0.564

RV ejection fraction (%)

↓10

1.29

(0.88, 1.89)

0.19

0.446

RV mass z-score

↑3

1.31

(0.84, 2.04)

0.24

0.474

Tricuspid regurgitation (%)

↑5

1.11

(0.86, 1.44)

0.43

0.517

Pulmonary regurgitation (%)

↓5

1.14

(1.01, 1.28)

0.03

0.612

LV diastolic volume z-score

↑3

1.54

(0.96, 2.48)

0.07

0.621

LV systolic volume z-score

↑3

1.21

(0.9, 1.65)

0.21

0.593

LV ejection fraction (%)

↓10

1.16

(0.71, 1.89)

0.56

0.510

LV mass z-score

↑3

1.45

(0.97, 2.16)

0.07

0.581

  1. FAC, fractional area change; HR, hazard ratio; LV, left ventricle; RA, right atrial; RV, right ventricle