Fig. 2

Two-step clustering of 22 demographic and clinical variables. A Predictive importance of the variables. B Heat map of clustering characteristics in uncontrolled asthma. Each row represents one patient, and the range is shown in each column; with green being the lowest and red the highest. Left: the three clusters are indicated by vertical bars; Right: the number of patients. CRS chronic rhinosinusitis, FEV₁ forced expiratory volume in 1 s, FVC forced vital capacity, BD bronchodilator, EOS eosinophil, NP nasal polyps, FeNO fractional exhaled nitric oxide, PaO₂ partial pressure of oxygen, PaCO₂ partial pressure of carbon dioxide, T-IgE total IgE, T/D ratio ratio of airway wall thickness to total diameter, WA% percentage of airway wall area to total area, BMI body mass index