Table 3:

Summary of previous studies on OSA and atherosclerotic cardiovascular disease among atrial fibrillation patients

Authors	Sample Size	AF Population	Measurement of OSA	Outcome	Length of follow-up	Results
Current study	100,000 +	U.S. Administrative Claims data	ICD-9	Stroke and myocardial infarction via ICD-9	1.4 years	HR~0.48
Chang et al.18	17,375	Taiwan health insurance claims	ICD-9	Stroke via ICD-9	2.5 years	HR~0.80
Holmqvist et al.17	10,132	ORBIT-AF registry	Physician report and medical records	Composite of cardiovascular death, coronary heart disease, stroke/TIA	2 years	HR~1.10
Yaranov et al.16	332	Patients referred for sleep study	Polysomnography	Stroke via electronic medical records	4.4 years	OR~3.84

Abbreviations: OSA – obstructive sleep apnea, ICD – International Classification of Diseases, HR – hazard ratio, OR – odds ratio