| Utilization of Emergency Medical Services in a Large Urban Area: Description of Call Types and Temporal Trends. | |
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MedLine Citation:
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PMID: 21521036 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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ABSTRACT Background. Emergency medical services (EMS) systems are used by the public for a range of medically related problems. Objective. To understand and analyze the patterns of EMS utilization and trends over time in a large urban EMS system so that we may better direct efforts toward improving those services. Methods. The 63 call type designations from all New York City (NYC) 9-1-1 EMS calls between 1999 and 2007 were obtained and grouped into 10 broad and 30 specific medical categories. Aggregated numbers of total EMS calls and individual categories were divided by NYC resident population estimates to determine utilization rates. Temporal trends were evaluated for statistical significance with Spearman's rho (ρ). Results. There were 9,916,904 EMS calls between 1999 and 2007, with an average of 1,101,878 calls/year. Utilization rates increased from 129.5 to 141.9 calls/1,000 residents/year over the study period (average annual rise of 1.16%). Among all medical/surgical call types (excluding trauma), there was an average annual increase of 1.8%/year. The most substantial increases were among "psychiatric/drug related" (+5.6%/year), "generalized illness" (+3.2%/year), and "environmental related" calls (+2.9%/year). The largest decrease was among "respiratory" calls (-1.2%/year), specifically for "asthma" (-5.0%/year). For trauma call types, there was an annual average decrease of 0.4%/year, with the category of "violence related" calls having the greatest decline (-3.3%/year). Conclusion. There was an increase in overall EMS utilization rates, though not all call types rose uniformly. Rather, a number of significant trends were identified reflecting either changing medical needs or changing patterns of EMS utilization in NYC's population. Key words: emergency medical services; public health; epidemiology; trends; population; utilization; urban. |
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Authors:
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Kevin G Munjal; Robert A Silverman; John Freese; James D Braun; Bradley J Kaufman; Douglas Isaacs; Andrew Werner; Mayris Webber; Charles B Hall; David J Prezant |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-4-26 |
Journal Detail:
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Title: Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors Volume: - ISSN: 1545-0066 ISO Abbreviation: - Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-4-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9703530 Medline TA: Prehosp Emerg Care Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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From the Office of Medical Affairs (KGM, JF, JDB, BJK, DI, AW, DJP), The New York City Fire Department, Brooklyn, New York; the Department of Emergency Medicine (KGM), Montefiore Medical Center, Bronx, New York; the Department of Emergency Medicine (RAS, BJK, DI), Long Island Jewish Medical Center, New Hyde Park, New York; the Division of Biostatistics, Department of Epidemiology and Population Health (CBH), Albert Einstein College of Medicine, Bronx, New York; and the Pulmonary Division, Department of Medicine (DJP), Albert Einstein College of Medicine, Bronx, New York. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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