Table 1 The encoding of the variables (nodes)
Categories | Prognostic factors |
|---|---|
1: Yes 2: No | Food allergy, eczema, dyspnea, allergic rhinitis, daily symptoms, daily activities symptoms, breast feeding, smoking in prenatal period, bronchiolitis, exacerbation, pharmaceutical allergy, allergic conjunctivitis, pets, nocturnal symptoms |
1: Female 2: Male | Gender |
1: Intermittent 2: Persistent | Asthma category |
0–10 (sum of the present allergens) | Allergens (categorization into 1 variable of all the following: D. pteronyssinus, D. farinae, olive, pellitory, graminaceae, pine, cypress, cat, dog, altenaria) |
1: Toddler 2: Preschooler 3: Gradeschooler 4: Highschooler | Age |
1: Hypoactivity (< 80%) 2: Normal activity (≥ 80%) | Forced vital capacity (FVC), FEV1 |
1: Non-significant (< 15) 2: Significant (≥ 15) | FEV1 reversibility |
1: Poor asthma control (< 20) 2: Good asthma control (\(20\le {ACT}\le {25})\) 3: Excellent asthma control (> 25) | Asthma control test (ACT) |
Total points are 0–3 with more points indicating more control problems | Asthma Therapy Assessment Questionnaire (ATAQ) |
1: Underweight 2: Normal 3: Overweight 4: Obese | Body mass index (BMI) |