Prevalence of adenoid hypertrophy: a systematic review and meta-analysis

The purpose of our review was to synthesize the existing literature about the prevalence of adenoid hypertrophy in children and adolescents confirmed by the reference standard – the nasoendoscopy. Six electronic databases and grey literature were searched. Studies were included if they reported the prevalence of adenoid hypertrophy confirmed via nasoendoscopy. Studies involving participants with associated comorbidities, fully diagnosed sleep apnea in their sample were excluded. The MAStARI tool assessed the potential risk of bias (RoB) among the studies, while the GRADE approach determined the level of evidence.

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