Comparison of Patient-Oriented Eczema Measure and Patient-Oriented Scoring Atopic Dermatitis vs Eczema Area and Severity Index and other measures of atopic dermatitis: A validation study

Jonathan I Silverberg, Donald Lei, Muhammad Yousaf, Sherief R Janmohamed, Paras P Vakharia, Rishi Chopra, Rajeev Chavda, Sylvie Gabriel, Kevin R Patel, Vivek Singam, Robert Kantor, Derek Y Hsu

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11 Citations (Scopus)

Abstract

BACKGROUND: Little is known about the measurement properties of Patient-Oriented Scoring Atopic Dermatitis (PO-SCORAD) in adults with atopic dermatitis (AD). Even less is known about how PO-SCORAD performs compared with the Patient-Oriented Eczema Measure (POEM).

OBJECTIVE: To examine the measurement properties of PO-SCORAD and compare them with those of POEM.

METHODS: A prospective dermatology practice-based study of 291 patients with AD (age range, 18-72 years).

RESULTS: PO-SCORAD and POEM were moderately correlated with each other (Spearman ρ = 0.56) and had weak-moderate correlations with the Numeric Rating Scale (NRS) worst itch and average itch, Dermatology Life Quality Index (DLQI), ItchyQOL, Patient-Reported Outcomes Measurement Information System (PROMIS) Sleep Disturbance (SD) and Sleep-Related Impairment (SRI), Patient Health Questionnaire-9 (PHQ-9), and Eczema Area and Severity Index (EASI) (P < .001). POEM had significantly stronger correlations with DLQI, ItchyQOL, and EASI than did PO-SCORAD. PO-SCORAD and POEM had fair discriminant validity. Changes from baseline in PO-SCORAD and POEM were moderately correlated with each other; were weakly to strongly correlated with NRS worst itch and average itch, DLQI, ItchyQOL, PROMIS SD, PROMIS SRI, PHQ-9, and EASI; and had good test-retest reliability. There was no differential item functioning of items or floor or ceiling effects for PO-SCORAD or POEM. The thresholds for meaningful change for PO-SCORAD and POEM were -15.5 and -5.0, respectively. Median completion times for PO-SCORAD and POEM were 3 minutes and 1 minute, respectively.

CONCLUSION: PO-SCORAD and POEM had good construct and cross-cultural validity, reliability, and responsiveness in adults with AD and were feasible for use in clinical trials and practice. However, POEM had better measurement properties than PO-SCORAD.

Original languageEnglish
Pages (from-to)78-83
Number of pages6
JournalAnnals of Allergy, Asthma & Immunology
Volume125
Issue number1
DOIs
Publication statusPublished - Jul 2020

Bibliographical note

Copyright © 2020 American College of Allergy, Asthma & Immunology. Published by Elsevier Inc. All rights reserved.

Keywords

  • Adolescent
  • Adult
  • Aged
  • Dermatitis, Atopic/diagnosis
  • Eczema/diagnosis
  • Female
  • Humans
  • Male
  • Middle Aged
  • Patient Reported Outcome Measures
  • Severity of Illness Index
  • Surveys and Questionnaires
  • Young Adult

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