1.1. Analysis.
Comparison 1 Asthma treatment tailored on FeNO versus clinical symptoms, Outcome 1 Number of participants who had ≥ 1 exacerbations over study period.
Comparison 1 Asthma treatment tailored on FeNO versus clinical symptoms, Outcome 1 Number of participants who had ≥ 1 exacerbations over study period.