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Outcome of Scores

CHA2DS2-VASc Risk Score Interpretation

CHA2DS2-VASc Risk of ischaemic stroke at 1 year Risk of stroke / TIA / systemic embolism at 1 year
0 0.2% 0.3%
1 0.6% 0.9%
2 2.2% 2.9%
3 3.2% 4.6%
4 4.8% 6.7%
5 7.2% 10.0%
6 9.7% 13.6%
7 11.2% 15.7%
8 10.8% 15.2%
9 12.2% 17.4%

Created by Dr Gregory Lip https://www.mdcalc.com/cha2ds2-vasc-score-atrial-fibrillation-stroke-risk#evidence and linked in the NICE NG196 in Tools and Resources Algorithm for AF diagnosis and management.

From Friberg et al. EHJ 2012;33:1500-10 Note the paradoxical decrease in risk between 7 and 8 points; this reflects the findings published in the study, but in general, assume increasing risk with higher scores.