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Development and preliminary evaluation of a parent-reported outcome instrument for clinical trials in acute otitis media

Shaikh, N and Hoberman, A and Paradise, JL and Wald, ER and Switze, GE and Kurs-Lasky, M and Colborn, DK and Kearney, DH and Zoffel, LM (2009) Development and preliminary evaluation of a parent-reported outcome instrument for clinical trials in acute otitis media. Pediatric Infectious Disease Journal, 28 (1). 5 - 8. ISSN 0891-3668

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Abstract

BACKGROUND:: Acute otitis media (AOM) is the most common childhood diagnosis, leading to prescription of an antibiotic in the United States. Although antibiotics are used in children with AOM, in part, to shorten the duration of symptoms, no instruments have been developed to track early changes in symptoms from the parent's point of view. The goal of the present study was to develop and evaluate a parent-reported symptom scale for children with AOM (AOM-SOS) for use as an outcome measure in AOM treatment trials. METHODS:: From a pool of 28 potential symptoms, we selected 7 on the basis of parent questionnaire, expert interviews, and review of the literature for inclusion in the AOM-SOS. We administered the AOM-SOS to a primary-care sample of children aged 6-25 months enrolled in a study of nasopharyngeal bacterial colonization. Children were seen for well visits, illness visits, and AOM follow-up visits. At each visit, parents completed the AOM-SOS and their children were examined by trained otoscopists. As part of the evaluation of the AOM-SOS, we examined the association between each item on the questionnaire and the clinical diagnosis of AOM while adjusting for the presence of upper respiratory tract infection. To assess responsiveness, we examined the change in AOM-SOS scores in patients with AOM who were seen for follow-up within 3 weeks of diagnosis. RESULTS:: We evaluated 264 children (mean age, 12.5 months at entry) at a total of 642 visits. We diagnosed AOM at 24% of the visits. Each item on the questionnaire was significantly associated with the clinical diagnosis of AOM (P < 0.001 for each), before and after adjusting for the presence or absence of upper respiratory infection. The mean AOM-SOS score at visits when AOM was diagnosed was 3.71, compared with 0.96 at visits when AOM was not diagnosed (P < 0.001). Internal reliability of the scale as measured by Cronbach's α was 0.84. AOM-SOS scores in children with AOM who were otoscopically improved decreased by an average of 2.81 points (standardized response mean = 0.73). CONCLUSIONS:: We have developed a short symptom scale for children with AOM. This study provides preliminary data on the performance of the AOM-SOS in a primary care sample of children.

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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Shaikh, Nnas67@pitt.eduNAS67
Hoberman, A
Paradise, JL
Wald, ER
Switze, GE
Kurs-Lasky, M
Colborn, DK
Kearney, DH
Zoffel, LM
Date: 1 January 2009
Date Type: Publication
Journal or Publication Title: Pediatric Infectious Disease Journal
Volume: 28
Number: 1
Page Range: 5 - 8
DOI or Unique Handle: 10.1097/inf.0b013e318185a387
Schools and Programs: School of Medicine > Pediatrics
Refereed: Yes
ISSN: 0891-3668
Related URLs:
MeSH Headings: Acute Disease; Adult; Child, Preschool; Clinical Trials as Topic--methods; Female; Humans; Infant; Male; Otitis Media--diagnosis; Otitis Media--drug therapy; Otitis Media--pathology; Questionnaires; Reproducibility of Results; Self Disclosure; Severity of Illness Index; Treatment Outcome
PubMed ID: 19077917
Date Deposited: 11 Sep 2012 22:01
Last Modified: 02 Feb 2019 16:56
URI: http://d-scholarship.pitt.edu/id/eprint/14053

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