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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Disagreement among common measures of asthma control in children
Chest, Volume 143, No. 1, Year 2013
Notification
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Description
Background: Asthma is a worldwide problem. It cannot be prevented or cured, but it is possible, at least in principle, to control asthma with modern management. Control usually is assessed by history of symptoms, physical examination, and measurement of lung function. A practical problem is that these measures of control may not be in agreement. The aim of this study was to describe agreement among different measures of asthma control in children. Methods: A prospective sequential sample of children aged 4 to 11 years with atopic asthma attending a routine follow-up evaluation were studied. Patients were assessed with the following four steps: (1) fraction of exhaled nitric oxide (FENO), (2) spirometry, (3) Childhood Asthma Control Test (cACT), and (4) conventional clinical assessment by a pediatrician. The outcome for each test was coded as controlled or uncontrolled asthma. Agreement among measures was examined by cross-tabulation and κ statistics. Results: Eighty children were enrolled, and nine were excluded. Mean F ENO in pediatrician-judged uncontrolled asthma was double that of controlled asthma (37 parts per billion vs 15 parts per billion, P < .005). There was disagreement among measures of control. Spirometric indices revealed some correlation, but of the unrelated comparisons, those that agreed with each other most often (69%) were clinical assessment by the pediatrician and the cACT. Worst agreement was noted for F ENO and cACT (49.3%). Conclusion: Overall, different measures to assess control of asthma showed a lack of agreement for all comparisons in this study. © 2013 American College of Chest Physicians.
Authors & Co-Authors
Green, Robin John
South Africa, Pretoria
University of Pretoria
Klein, Max
South Africa, Pretoria
University of Pretoria
Becker, Pieter J.
South Africa, Tygerberg
South African Medical Research Council
Halkas, Andrew C.
Unknown Affiliation
Lewis, Humphrey
Unknown Affiliation
Kitchin, Omolemo P.
South Africa, Pretoria
University of Pretoria
Moodley, Teshni
South Africa, Pretoria
University of Pretoria
Masekela, Refiloe R.
South Africa, Pretoria
University of Pretoria
Statistics
Citations: 36
Authors: 8
Affiliations: 2
Identifiers
Doi:
10.1378/chest.12-1070
ISSN:
00123692
e-ISSN:
19313543
Research Areas
Maternal And Child Health
Study Design
Cohort Study