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Figure 2 Incidence of AF Based on the Severity of OSA and Obesity
Cumulative frequency of incident atrial fibrillation (AF) during an average 4.7 years of follow-up, based on interactions between the body mass index (BMI) and the apnea-hypopnea index (AHI). An AHI <5 represents no obstructive sleep apnea (OSA), an AHI 5 to 40 represents mild to moderate OSA, and an AHI >40 represents severe OSA. A BMI <25 represents normal weight, a BMI 25 to 30 kg/m2 represents overweight, and a BMI >30 kg/m2 represents obesity.
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