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Diagnosis and Treatment of Obstructive Sleep Apnea in Adults

Slide: 16 of 32

Effectiveness of Portable Devices and Polysomnography

There is a low strength of evidence that Type II monitors are accurate to diagnose obstructive sleep apnea (as defined by polysomnography) and a moderate strength of evidence for Type III and IV monitors. However, the monitors have a wide and variable bias in estimating the actual AHI. The evidence is insufficient to adequately compare specific monitors to each other.