Mo Chen

Respiratory event duration reveals novel phenotypes beyond the apnea–hypopnea index in obstructive sleep apnea

Background Obstructive sleep apnea (OSA) is a heterogeneous disorder characterized by recurrent upper airway collapse during sleep. Although the apnea–hypopnea index (AHI) remains the cornerstone of OSA diagnosis and severity assessment, it primarily reflects the frequency of respiratory events and may not adequately c...