The Prevalence of Dysfunctional Breathing in Children and Adolescents With Asthma
The Prevalence of Dysfunctional Breathing in Children and Adolescents With Asthma
The purpose of the study is to investigate the prevalence of dysfunctional breathing in
 children and adolescents with asthma in a hospital outpatient clinic.

 Participants are invited to take the Nijmegen Questionnaire and the Asthma Control
 Questionnaire. The prevalence of dysfunctional breathing defined as NQ score >= 23 is
 calculated, and demographics are compared between children with and without dysfunctional
 breathing.
The purpose of the study is to investigate the prevalence of dysfunctional breathing in
 children and adolecents with asthma in a hospital outpatient clinic.

 Participants are invited to take the Nijmegen Questionnaire and the Asthma Control
 Questionnaire, during appointments at the outpatient clinic. For this study purpose, each
 participant only takes the questionnairres once.

 Patient data regarding age, sex, asthma medication, lung function, allergic sensitization,
 method of asthma diagnose, Height, weight and Body mass index is registered from the
 electronical patient journal.

 The prevalence of dysfunctional breathing in the cohort is calculated as the fraction of
 children with a NQ score >= 23.

 The group of children and adolescents with dysfunctional breathing is characterized and
 compared to the group without dysfunctional breathing, regarding the descriptives mentioned
 above.
Inclusion Criteria:

 -  Asthma diagnosed by lung function tests and/or typical symptoms.

 -  Treatment with inhaled corticosteroids in minimum 3 months.

 Exclusion Criteria:

 • Other significant cardiopulmonary or muscoluskeletal conditions.