Prognosis and persistence of smell and taste dysfunction in patients with covid-19: meta-analysis with parametric cure modelling of recovery curves.

Objective: To clarify in patients with covid-19 the recovery rate of smell and taste, proportion with persistent dysfunction of smell and taste, and prognostic factors associated with recovery of smell and taste.

Design: Systematic review and meta-analysis.

Data Sources: PubMed, Embase, Scopus, Cochrane Library, and medRxiv from inception to 3 October 2021.