External Validation of SAFE Score to Predict Atrial Fibrillation Diagnosis after Ischemic Stroke: A Retrospective Multicenter Study

Table 1

SAFE score.

Variable	Points
Age
<65 years	0
≥65 years	2
COPD or OSA	1
Thyroid disease	1
NT-ProBNP
<250 pg/mL	0
≥250 pg/mL	2
Left atrial enlargement	2
Cortical topography of stroke	1
Intracranial large vessel occlusion	1
Total	0 to 10

COPD: chronic obstructive pulmonary disease; NT-ProBNP: N-terminal pro-B-type natriuretic peptide; OSA: obstructive sleep apnea.