Table 1 Inclusion and exclusion criteria

Population

Adults and children with acute rhinosinusitis

Chronic rhinosinusitis, allergic rhinosinusitis, allergic rhinitis

Study design

PROM development and/or validation study

All other study designs

Outcome

All patient-reported and proxy-reported outcomes

Non patient-reported outcomes, e.g. biomarkers, laboratory data

Type of measurement instrument

Patient-reported outcome measurement instruments

All others

Publication type

Articles with available full text

Abstracts