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    Table 1 Abbreviations

    Abbreviation

    Definition

    CI

    Confidence interval

    CRS

    Chronic rhinosinusitis

    ESS

    Endoscopic sinus surgery

    FDA MAUDE

    Food and Drug Administration Manufacturer and User Facility Device Experience

    FESS

    Functional endoscopic sinus surgery

    MD

    Mean difference

    OR

    Odds ratio

    POSE

    Perioperative sinus endoscopy

    PRISMA

    Preferred Reporting Items for Systematic Reviews and Meta-analyses

    SD

    Standard deviation

    SES

    Steroid-eluting stent

    SNOT

    Sino-nasal outcome test

    VAS

    Visual analogue scale