2. The study protocol for the analysis in asthma exacerbations incidence in children under
the influence of air pollutants, climatic factors and habitat consisted of standardized
questionnaires, clinical examination and paraclinical, pollution assessment and
implementation of appropriate therapy for asthma control.
3. Children with asthma have been classified according to the severity of asthma according
to the criteria the respiratory function and therapeutic criteria in accordance with existing
international guidelines (intermittent asthma, mild persistent asthma, persistent asthma
medium and severe persistent asthma).
4. Each child and parents have been trained on asthma monitoring, removal pollutant
factors and the adherence to treatment.
5. The monitoring of asthma was performed at study entry, at 1, 3, 6 and 12 months and
whenever was needed.