Evaluation of risk factors of childhood asthma in a tertiary care hospital of bangladesh

Background: Asthma is the most common chronic disease in children and is the leading cause of childhood morbidity. The risk for asthma is associated with exposure to several environmental & genetic factors. Objective: To determine the risk factors of childhood asthma. Study design: Case control study. Place of the study and study period: Pediatric Asthma Centre, Department of Pediatrics, Bangabandhu Sheikh Mujib Medical University (BSMMU), from Jan’09 to Dec’09. Materials: This study was carried out among 100 subjects, out of which 50 were cases and 50 were controls, age ranging from 5 to 15 years. Cases were diagnosed asthmatic children as determined by a pediatric pulmonologist on the basis of history, physical examination and spirometry. Controls were 50 hospitalized children suffering from diseases other than