BMI: body mass index; ACQ: asthma control questionnaire; ICS: Inhaled corticosteroids; OCS: Oral corticosteroids; FEV₁: Forced expiratory volume in first second

Figure 1: Sputum cytokines in patients with raised FeNO (>40ppb and >16ppb increase after treatment) versus normal FeNO (≤40) after treatment with anti-IL5, coloured by residual airway inflammation.