Table 1. Classification of obstructive sleep apnea.

Classification of obstructive sleep apnea according to the AHI [1]

AHI, apnea/hypopnea index

Classification of Obstructive Sleep Apnea
Mild	AHI ≥ 5-15 events per hour
Moderate	AHI ≥ 15-30 events per hour
Severe	AHI ≥ 30 or more events per hour