International assessment of inter- and intrarater reliability of the International Frontal Sinus Anatomy Classification system.
Ricardo VillarrealBozena B WrobelLuis F Macias-ValleGreg E DavisThomas J PrihodaAmber U LuongK Christopher McMainsErik K WeitzelWilliam C YaoJoe BrunworthDavid W ClarkSalil NairConstanza J ValdésAshleigh HaldermanDavid W JangRahuram SivasubramaniamZhipeng ZhangPhilip G ChenPublished in: International forum of allergy & rhinology (2018)
Among a diverse sample of rhinologists (raters), there was substantial to almost perfect agreement between raters, and among individual raters at different timepoints. The IFAC is a reliable tool for classification of cells in the frontal sinus. Further outcome studies are still needed to determine the validity of the IFAC.