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Table 5 Multivariate Cox regression analysis for predictor of arrhythmia recurrence after ablation

From: Post Procedural Peak Left Atrial Contraction Strain Predicts Recurrence of Arrhythmia after Catheter Ablation of Atrial Fibrillation

 

Multivariate Cox regression models

 

HR

95% Cl

P value

Model 1: + BMI, type of AF

PACS1-day (per unit increase)

 

1.11

1.05–1.18

0.0003

Model 2: + BMI, type of AF

PACS1-day ≥ -12%

 

2.53

1.54–4.16

0.0003

Model 3A: + BMI, type of AF

PACS1-day quartiles all effect

 

4.23

2.08–8.75

 < 0.0001

Model 3B: + BMI, type of AF

PACS1-day Q1(reference)

 

1

  

Q2

 

0.96

0.46–2.01

0.92

Q3

 

1.85

0.93–3.68

0.08

Q4

 

3.82

1.90–7.68

0.0002

Model 3C: + BMI, type of AF

PACS1-day Q4 (reference)

 

1

  

Q3

 

0.48

0.26–0.92

0.03

Q2

 

0.25

0.12–0.51

0.0001

Q1

 

0.26

0.13–0.53

0.0001

  1. BMI body mass index, CI confidence interval, HR hazards ration, LA left atrium, PACS peak atrial contraction strain
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Cardiovascular Ultrasound

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