• Wen-Jing Zhu, Hai-Xia Ma, Hui-Ying Cui, Xu Lu, Ming-Jun Shao, Shuo Li, Yan-Qing Luo, Qiang Wang, Chun-Yu Xu, Dong-Qun Xu, Chuan-He Liu, and Yu-Zhi Chen.
• Center for Asthma Prevention and Education, Capital Institute of Pediatrics, Beijing 100020, China.
• Chin. Med. J. 2015 Sep 5; 128 (17): 227322772273-7.

BackgroundThe prevalence of childhood asthma has been increasing in China. This study aimed to compare the prevalence, diagnosis, and treatment of asthmatic children from urban and rural areas in Beijing, China.MethodsSchools, communities, and kindergartens were randomly selected by cluster random sampling from urban and rural areas in Beijing. Parents were surveyed by the same screening questionnaires. On-the-spot inquiries, physical examinations, medical records, and previous test results were used to diagnose asthmatic children. Information on previous diagnoses, treatments, and control of symptoms was obtained.ResultsFrom 7209 children in rural areas and 13,513 children in urban areas who completed screening questionnaires, 587 children were diagnosed as asthma. The prevalence of asthma in rural areas was lower than in urban areas (1.25% vs. 3.68%, χ2 = 100.80, P < 0.001). The diagnosis of asthma in rural areas was lower than in urban areas (48.9% vs. 73.9%, χ2 = 34.6, P < 0.001). Compared with urban asthmatic children (56.5%), only 35.6% of rural asthmatic children received inhaled corticosteroids (P < 0.05). The use of bronchodilators was also lower in rural areas than in urban areas (56.5% vs. 66.4%, χ2 = 14.2, P < 0.01).ConclusionThe prevalence of asthma in children was lower in rural areas compared with children in the urban area of Beijing. A considerable number of children were not diagnosed and inadequately treated in rural areas.

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