You are viewing the site in preview mode
Skip to main content
|
CHADS2 score
|
|---|
|
Scoring system
|
Stroke rates associated with CHADS2 score
|
|---|
| |
Risk factor
|
Points
|
Risk score
|
Adjusted stroke rate (%/y)a, b (95 % CI)
|
Risk of stroke
|
|
C
|
CHF
|
1
|
0
|
1.9 (1.2, 3.0)
|
Low
|
|
H
|
Hypertension
|
1
|
1
|
2.8 (2.0, 3.8)
|
Moderate
|
|
A
|
Age ≥75 y
|
1
|
2
|
4.0 (3.1, 5.1)
|
|
D
|
Diabetes
|
1
|
3
|
5.9 (4.6, 7.3)
|
|
S2
|
Prior stroke/TIA
|
2
|
4
|
8.5 (6.3, 11.1)
|
High
|
|
5
|
12.5 (8.2, 17.5)
|
|
6
|
18.2 (10.5, 27.4)
|
|
CHA2DS2-VASc score
|
|
Scoring system
|
Stroke rates associated with CHA2DSs-VASc score
|
| |
Risk factor
|
Points
|
Risk score
|
TE rate during 1 year (% [95 % CI])c, d
|
Risk of stroke
|
|
C
|
CHF/LV dysfunction
|
1
|
0
|
0
|
Low
|
|
H
|
Hypertension
|
1
|
1
|
0.6 (0.0, 3.4)
|
Moderate
|
|
A2
|
Age ≥75 y
|
2
|
2
|
1.6 (0.3, 4.7)
|
|
D
|
Diabetes
|
1
|
3
|
3.9 (1.7, 7.6)
|
High
|
|
S2
|
Prior stroke/TIA/TE
|
2
|
4
|
1.9 (0.5, 4.9)
|
|
V
|
Vascular disease (prior MI, PAD, or aortic plaque)
|
1
|
5
|
3.2 (0.7, 9.0)
|
|
A
|
Age 65–74 y
|
1
|
6
|
3.6 (0.4, 12.3)
|
|
Sc
|
Sex category (female sex)
|
1
|
7
|
8.0 (1.0, 26.0)
|
-
CHF congestive heart failure, CI confidence interval, LV left ventricular, MI myocardial infarction, PAD peripheral artery disease, TE thromboembolism, TIA transient ischemic attack
-
aAdapted from Gage BF et al. JAMA. 2001;285:2864–70 [33]
-
bAdjusted stroke is expected stroke rate per 100 person-years from exponential survival model, assuming no aspirin was taken
-
cAdapted from Lip GYH et al. Chest. 2010;137:263–72 [34]
-
dp value for trend = 0.003
