Diagnosing atopic dermatitis in infancy: Questionnaire reports vs criteria-based assessment

the CHILD Study Investigators

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Background: Persisting atopic dermatitis (AD) is known to be associated with more serious allergic diseases at later ages; however, making an accurate diagnosis during infancy is challenging. We assessed the diagnostic performance of questionnaire-based AD measures with criteria-based in-person clinical assessments at age 1 year and evaluated the ability of these diagnostic methods to predict asthma, allergic rhinitis and food allergies at age 5 years. Methods: Data relate to 3014 children participating in the Canadian Healthy Infant Longitudinal Development (CHILD) Study who were directly observed in a clinical assessment by an experienced healthcare professional using the UK Working Party criteria. The majority (2221; 73.7%) of these children also provided multiple other methods of AD ascertainment: a parent reporting a characteristic rash on a questionnaire, a parent reporting the diagnosis provided by an external physician and a combination of these two reports. Results: Relative to the direct clinical assessment, the area under the Receiver Operating Characteristic curve for a parental report of a characteristic rash, reported physician diagnosis and a combination of both were, respectively, 0.60, 0.69 and 0.70. The strongest predictor of asthma at 5 years was AD determined by criteria-based in-person clinical assessment followed by the combination of parental and physician report. Conclusions: These findings suggest that questionnaire data cannot accurately substitute for assessment by experienced healthcare professionals using validated criteria for diagnosis of atopic dermatitis. Combining the parental report with diagnosis by a family physician might sometimes be appropriate (eg to avoid costs of a clinical assessment).

Original languageEnglish (US)
Pages (from-to)556-567
Number of pages12
JournalPaediatric and Perinatal Epidemiology
Volume32
Issue number6
DOIs
StatePublished - Nov 2018

Keywords

  • accuracy
  • atopic dermatitis
  • diagnosis
  • eczema
  • epidemiology
  • questionnaire reports

ASJC Scopus subject areas

  • Epidemiology
  • Pediatrics, Perinatology, and Child Health

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