Figure 2From: Using fractional exhaled nitric oxide (FeNO) to diagnose steroid-responsive disease and guide asthma management in routine careAdherence to ICS during baseline year, split by FeNO category at time of initial FeNO measurement. Legend: n = 260: Patients from OPCRD who were prescribed an ICS in year prior to 1st FeNO reading AND a recorded FeNO reading.Back to article page