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Clinical Trial
. 1999 May;80(5):414-20.
doi: 10.1136/adc.80.5.414.

Validation of an asthma symptom diary for interventional studies

N C Santanello  1 , G Davies, S P Galant, A Pedinoff, R Sveum, J Seltzer, B C Seidenberg, B A Knorr
Affiliations
Clinical Trial

Validation of an asthma symptom diary for interventional studies

N C Santanello et al. Arch Dis Child. 1999 May.

Abstract

Objective: The Pediatric Asthma Diary was developed and validated to assess efficacy of interventions in children with asthma.

Design, patients, and setting: Diary validation was performed in a three week, prospective study of 106 children aged 6-14 years with asthma. Children were classified at baseline as either stable (requiring no additional asthma treatment) or new onset/worse (requiring either addition of or increase in anti-inflammatory treatment).

Results: A daytime symptom scale and "day without asthma" were defined from diary questions. Both measures demonstrated significant validity and responsiveness to anti-inflammatory treatment. The stable group experienced a higher percentage of days without asthma during week 1 compared with the new onset/worse group (39.6% v 11.6%, respectively). The new onset/worse patients experienced significant improvement in days without asthma (24.5%) compared with stable patients (6.4%).

Conclusions: The Pediatric Asthma Diary daytime symptom scale and day without asthma are acceptable measures for use in asthma intervention studies of children aged 6-14 years.

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