Caitlin G. Haydek|Elyse M. Love|Nicholas Mollanazar|Rodrigo Valdés Rodríguez|Helen Lee|Gil Yosipovitch|Michael D. Tharp|Jon M. Hanifin|Kuang Ho Chen|Shuo Chen
Validation and Banding of the ItchyQuant: A Self-Report Itch Severity Scale
Emory University|Emory University|University of Pennsylvania Health System|Pennsylvania Hospital|Temple University|Temple University|Temple University|Temple University|Rush University|Oregon Health & Science University|Emory University|Veterans Health Administration|Emory University
significant emotional psychosocial impact chronic pruritus important accurately assess measure itch severity study aims validate apply clinically meaningful bands itchyquant illustrated selfreport numeric rating scale nrs itch severity total 76 adults chronic pruritus recruited participants rated itch itchyquant traditional 11point nrs verbal categorizations mild moderate severe significant high correlation itchyquant nrs 092 p 00001 demonstrating concurrent validity significantly patients 472 preferred itchyquant nrs 236 preference 292 p 00015 significantly patients found itchyquant easier use 458 nrs 208 preference 333 p 0008 set clinically meaningful bands highest weighted kappa coefficient agreement 069 follows 0 itch 13 mild itch 47 moderate itch 810 severe itch itchyquant clinically meaningful measure itch severity demonstrating face concurrent validity many patients prefer find easier use compared traditional nrs suggest itchyquant added existing armamentarium itch severity scales plan investigate itchyquant cognitively challenged populations