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
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