The best COVID-19 predictor is recent smell loss: a cross-sectional study.
Richard C GerkinKathrin OhlaMaria Geraldine VeldhuizenPaule Valery JosephChristine E KellyAlyssa J BakkeKimberley E SteeleMichael C FarruggiaRobert PellegrinoMarta Yanina PepinoCédric BouyssetGraciela M SolerVeronica Pereda-CamposMichele DibattistaKeiland W CooperIlja CroijmansAntonella Di PizioMehmet Hakan OzdenerAlexander Wieck FjaeldstadCailu LinMari A SandellPreet B SinghV Evelyn BrindhaShannon B OlssonLuís R SaraivaGaurav AhujaMohammed Al WashahiSurabhi BhutaniAnna D'ErricoMarco Aurélio FornazieriJerome GolebiowskiLiang-Dar HwangLina ÖztürkEugeni RouraSara SpinelliKatherine Lisa WhitcroftFarhoud FarajiFlorian Ph S FischmeisterThomas HeinbockelJulien Wen HsiehCaroline HuartIordanis KonstantinidisAnna MeniniGabriella MoriniJonas K OlofssonCarl Martin PhilpottDenis PierronVonnie D C ShieldsVera V VoznessenskayaJavier AlbayayAytug AltundagMoustafa BensafiMaría Adelaida BockOrietta CalcinoniWilliam FredborgChristophe LaudamielJuyun LimJohan N LundströmAlberto MacchiPablo MeyerShima T MoeinEnrique SantamariaDebarka SenguptaPaloma Paloma DomínguezHüseyin YanıkSanne BoesveldtJasper H B de GrootCaterina DinnellaJessica FreiherrTatiana LaktionovaSajidxa MariñoErminio MonteleoneAlexia Nunez-ParraOlagunju AbdulrahmanMarina RitchieThierry Thomas-DanguinJulie Walsh-MessingerRashid Al-AbriMahmoudreza HadjighassemEmmanuelle BignonElena CantoneMaria Paola CecchiniJingguo ChenMaria Dolors GuàrdiaKara C HooverNoam KarniMarta NavarroAlissa A NoldenPatricia Portillo MazalNicholas R RowanAtiye Sarabi-JamabNicholas S ArcherBen ChenElizabeth A Di ValerioEmma L FeeneyJohannes FrasnelliMackenzie E HannumClaire HopkinsHadar KleinCoralie MignotCarla MucignatYuping NingElif E OzturkMei PengOzlem SaatciElizabeth A SellCarol H YanRaul AlfaroCinzia CecchettoGérard CoureaudRiley D HerrimanJeb M JusticePavan Kumar KaushikSachiko KoyamaJonathan B OverdevestNicola PirastuVicente A RamirezS Craig RobertsBarry C SmithHongyuan CaoHong WangPatrick BalungweMarius BagumaThomas HummelJohn E HayesDanielle R ReedMasha Y NivSteven D MungerValentina ParmaPublished in: medRxiv : the preprint server for health sciences (2020)
As smell loss is the best predictor of COVID-19, we developed the ODoR-19 tool, a 0-10 scale to screen for recent olfactory loss. Numeric ratings ≤2 indicate high odds of symptomatic COVID-19 (10<OR<4), especially when viral lab tests are impractical or unavailable.