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Table 2 Incidence of recurrent AF after catheter ablation according to CRP quartiles

From: C-reactive protein for prediction of atrial fibrillation recurrence after catheter ablation

Variable

CRP level

P trend

Quartile 1

Quartile 2

Quartile 3

Quartile 4

Quartile value, mg/l

< 0.8

0.8–1.4

1.5–2.7

> 2.7

 

 Events/Patients

60/201

61/171

55/167

71/172

 

 Incidence, %a

33.1

41.9

37.0

53.4

0.017

 95% CI

24.4–42.3

32.1–54.7

29.9–49.1

41.6–68.5

 
  1. P value was calculated by trend test of survival function across quartiles
  2. aIncidence at 1 year of follow-up in percent