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NATIONAL TRENDS IN ASTHMA VISITS AND ASTHMA PHARMACOTHERAPY, 1978–2002

Stafford RS, Ma J, Finkelstein SN, Haver K, Cockburn I. J Allergy Clin Immunol. 2003;111:729–735 

To analyze asthma clinic visits and changes in asthma pharmacotherapy during a 25-year period.

Subject data from the National Disease and Therapeutic Index, from 1978 to 2002, were used to evaluate asthmatics examined by office-based physicians.

The National Disease and Therapeutic Index provides data on diagnostic and prescribing information from physicians across the United States. Approximately 3500 physicians participate each 3-month period and provide information on patients they examine in 2 consecutive workdays. Information focuses on …