Study Objectives: Cardiovascular comorbidities in obstructive sleep apnea (OSA) are difficult to treat, perhaps due to autonomic dysfunction. We assessed beat-to-beat blood pressure (BP) variability (BPV) in OSA while considering other markers derived from electrocardiogram and continuous BP signals.
Methods: We studied 66 participants (33 participants with OSA: respiratory event index [mean ± SEM]: 21.