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Table 3 Timing of outcomes to be assessed

From: Reducing Asthma Attacks in Children using Exhaled Nitric Oxide as a biomarker to inform treatment strategy: a randomised trial (RAACENO)

  Time point
Baseline 3 months 6 months 9 months 12 months
Smartinhaler® data  
Respiratory case report form (current medication, recent asthma history and attacks, inhaler technique, etc.)     
Asthma Control Test
Paediatric Asthma Quality of Life Questionnaire    
Spirometry (FEV1) and height
Asthma attacks
Asthma-related healthcare and other related resource use
Mechanistic studies
 Bronchodilator response (optional)     
 Skin prick testing (optional) At any assessment
 Saliva for DNA extraction (optional) At any assessment