Questionnaire

1. The most frequent causes of cough vary with age, and these differences are attributed to age-related variations in characteristics of the:

2. Subacute cough (R05.2) lasts for:

3. Discerning between different levels and durations of cough can alert the clinician to opportunities for evaluation and intervention that may change based on the presentation of the cough and the most common causes of different cough types.

4. Of children with prolonged or recurrent (subacute) cough and referred to respiratory outpatient clinics in the SPAC study, the most common aetiology of cough in older, school-aged children was:

5. Of children with prolonged or recurrent (subacute) cough and referred to respiratory outpatient clinics in the SPAC study and compared with children ≥5 years, the most common aetiology of cough in children children <5 years was:

6. Most cough studies demonstrate an aetiology of GERD in 10-19% of adolescent children with subacute cough.

7. In terms of cough duration, the SPAC study found that incidence of cough lasting for longer than four weeks was:

8. Of four clinically relevant cough phenotypes identified by a latent class analysis of the SPAC study, most children aged 5-16 years and with chronic cough had a phenotype related to:

9. Key findings from a cough count monitoring study demonstrating clinically relevant cough treatment effects of DXM in children aged 6-11 years include:

10. Important considerations when recommending a treatment for children with cough include: