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The patient flow for all study patients (baseline AHI ≥ 5 events/h) is shown in arm 1, the patient flow for patients with moderate to severe obstructive sleep apnea (baseline AHI ≥ 15 events/h) is shown in arm 2. Reasons for dropout are given in the supplemental material. AHI = apnea-hypopnea index, DISE = drug-induced sleep endoscopy, MAD = mandibular advancement device, PSG = polysomnography.
