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Table 2 Annual thromboembolic risk in patients stratified by R2CHA2DS2-VA score and non-sex CHA2DS2-VASc score

From: Efficacy of R2CHA2DS2-VA score for predicting thromboembolism in Thai patients with non-valvular atrial fibrillation

Risk scoring system

Number of thromboembolisms

Annual incidence rate (per 100 person-years)

p-value for trend

R2CHA2DS2-VA score

 < 0.001

 0

1

0.78

 

 1

5

0.87

 

 2

6

0.51

 

 3

14

1.10

 

 4

19

1.50

 

 5

26

2.11

 

 6

18

2.24

 

 7

9

1.77

 

 8

6

3.58

 

 9

3

6.09

 

Total

107

1.49

 

CHA2DS2-VA score

 < 0.001

 0

1

0.68

 

 1

7

0.85

 

 2

15

0.81

 

 3

30

1.50

 

 4

25

1.96

 

 5

17

2.30

 

 6

9

3.37

 

 7

3

4.06

 
  1. HR, hazard ratio; 95% CI, 95% confidence interval
  2. *HR of risk of thromboembolism in patients in each risk score category compared to patients with a risk score of 0
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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