Eligibility criteria All original interventional or observational studies evaluating day case discharges following nasal and/or palatopharyngeal surgery in adult patients with OSA
Exclusion criteria Studies that did not provide information on discharge Studies reporting nasal and/or palatopharyngeal surgeries that were performed under local anaesthetic (LA), whether in an operating theatre or outpatient/office setting Studies that reported procedures that involved only tongue or mandible or insertion of devices Studies not available in English Children or animal studies Review articles, conference abstracts, expert opinions or recommendations, letters/commentaries, case reports
Definitions of individual terms Day case: Patient discharged on same day following surgery (no overnight stay in hospital) OSA: Either confirmed diagnosis through polysomnography/oximetry or suspected/presumed diagnosis through screening tools such as STOP-BANG score Nasal surgery (NS): Any surgery involving external nose or nasal cavity Palatopharyngeal surgery (PS): Any surgery involving soft palate, nasopharynx, oropharynx and laryngopharynx.