Do sex and atopy influence cough outcome measurements in children?

Chang, Anne B., Gibson, Peter G., Willis, Carol, Petsky, Helen L., Widdicombe, John G., Masters, I. Brent, & Robertson, Colin F. (2011) Do sex and atopy influence cough outcome measurements in children? Chest, 140(2), pp. 324-330.

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Abstract

Background

Despite the commonality of cough and its burden, there are no published data on the relationship between atopy or sex on objectively measured cough frequency or subjective cough scores in children. In 202 children with and without cough, we determined the effect of sex and atopy on validated cough outcome measurements (cough receptor sensitivity [CRS], objective cough counts, and cough scores). We hypothesized that in contrast to adult data, sex does not influence cough outcome measures, and atopy is not a determinant of these cough measurements.

Methods

We combined data from four previous studies. Atopy (skin prick test), the concentration of capsaicin causing two and five or more coughs (C2 and C5, respectively), objectively measured cough frequency, and cough scores were determined and their relationship explored. The children’s (93 girls, 109 boys) mean age was 10.6 years (SD 2.9), and 56% had atopy.

Results

In multivariate analysis, CRS was influenced by age (C2 coefficient, 5.9; P = .034; C5 coefficient, 29.1; P = .0001). Atopy and sex did not significantly influence any of the cough outcomes (cough counts, C2, C5, cough score) in control subjects and children with cough.

Conclusions

Atopy does not influence important cough outcome measures in children with and without chronic cough. However, age, but not sex, influences CRS in children. Unlike adult data, sex does not affect objective counts or cough score in children with and without chronic cough. Studies on cough in children should be age matched, but matching for atopic status and sex is less important.

Impact and interest:

7 citations in Scopus
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6 citations in Web of Science®

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ID Code: 71254
Item Type: Journal Article
Refereed: Yes
Keywords: Quality-of-life, Receptor sensitivity, Recurrent cough, Bronchial responsiveness
DOI: 10.1378/chest.10-2507
ISSN: 1931-3543
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PAEDIATRICS AND REPRODUCTIVE MEDICINE (111400) > Paediatrics (111403)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Public Health & Social Work
Deposited On: 28 Aug 2014 22:48
Last Modified: 29 Jan 2015 00:19

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