From: Plasma carbohydrate antigen-125 for prediction of atrial fibrillation recurrence after radiofrequency catheter ablation
Variable
CA-125 level
P trend
Quartile 1
Quartile 2
Quartile 3
Quartile 4
Quartile value (U/mL)
< 8.50
8.50–11.20
11.21–14.65
> 14.65
Events/patients
10/87
12/90
19/88
44/88
Incidence (%)
11.5%
13.3%
21.6%
50.0%
< 0.001