Table 3 Multivariate Cox regression model for incidence of atrial fibrillation. Cox proportional hazards regression coefficients for direct estimation of risk of first AF event.

From: A new risk score to assess atrial fibrillation risk in hypertensive patients (ESCARVAL-RISK Project

 

β

SE

HR

95% CI

P value

Normal BMI < 25 kg/m2

0

 

1

   

Overweight 25–30 kg/m2

0.22184

0.197

1.25

0.85

1.84

0.261

Grade I obesity, 30–35 kg/m2

0.31609

0.201

1.37

0.93

2.04

0.116

Grade II obesity > 35 kg/m2

0.94324

0.214

2.57

1.70

3.90

<0.001*

Age

0.06187

0.006

1.06

1.05

1.08

<0.001*

Women

0

 

1

   

Men

0.63036

0.106

1.88

1.53

2.31

<0.001*

No CHF

0

 

1

   

CHF

0.89367

0.265

2.44

1.45

4.11

0.001*

  1. β: standardized coefficient; BMI: body mass index; CHF: congestive heart failure; CI: confidence interval; HR: hazard ratio; SE: standard error of the coefficient.
  2. *Statistically significant (P < 0.05).
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