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Analysis of ambulance transports and diversions among US emergency departments.
Ann Emerg Med. 2006 Apr; 47(4):317-26.AE

Abstract

STUDY OBJECTIVE

We describe emergency department (ED) visits in which the patient arrived by ambulance and estimate the frequency of and reasons for ambulance diversion. Using information on volume of transports and probabilities of being in diversion status, we estimate the number of patients for whom ED care was delayed because of diversion practices.

METHODS

Data from the 2003 ED component of the National Hospital Ambulatory Medical Care Survey, an annual sample survey of visits to US hospital EDs, were used for the analysis. Data were provided by 405 participating EDs on 40,253 visits. Data from supplemental questionnaires to the hospital staff were used to describe volume and frequency of ambulance diversions.

RESULTS

In 2003, patients arrived by ambulance for 16.2 million ED visits (14.2%). About 31 ambulances arrived at a US ED every minute. Of ambulance-related visits, 39% were made by seniors, 68% were triaged as emergent or urgent, and 37% resulted in hospital-admission. About 45% of EDs reported diverting ambulances at some point during the previous year. Among EDs that had any diversion, approximately 3% of operating time was spent in diversion status. In 2003, an estimated 501,000 ambulances were diverted, ie, 1 ambulance diversion per minute. Large EDs represent 12% of all EDs, 35% of all ambulance arrivals, 18% of all EDs that went on diversion, 47% of all hours spent in diversion status, and 70% of all ambulances diverted to another ED.

CONCLUSION

Description of current use of ED ambulance transports and likelihood of diversions should help policymakers plan for demographic changes in the population during the next 15 years.

Authors+Show Affiliations

Ambulatory Care Statistics Branch, Division of Health Care Statistics, National Center for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, MD 20782, USA. cwb2@cdc.govNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

16546615

Citation

Burt, Catharine W., et al. "Analysis of Ambulance Transports and Diversions Among US Emergency Departments." Annals of Emergency Medicine, vol. 47, no. 4, 2006, pp. 317-26.
Burt CW, McCaig LF, Valverde RH. Analysis of ambulance transports and diversions among US emergency departments. Ann Emerg Med. 2006;47(4):317-26.
Burt, C. W., McCaig, L. F., & Valverde, R. H. (2006). Analysis of ambulance transports and diversions among US emergency departments. Annals of Emergency Medicine, 47(4), 317-26.
Burt CW, McCaig LF, Valverde RH. Analysis of Ambulance Transports and Diversions Among US Emergency Departments. Ann Emerg Med. 2006;47(4):317-26. PubMed PMID: 16546615.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Analysis of ambulance transports and diversions among US emergency departments. AU - Burt,Catharine W, AU - McCaig,Linda F, AU - Valverde,Roberto H, Y1 - 2006/02/17/ PY - 2005/07/21/received PY - 2005/11/22/revised PY - 2005/12/01/accepted PY - 2006/3/21/pubmed PY - 2006/4/1/medline PY - 2006/3/21/entrez SP - 317 EP - 26 JF - Annals of emergency medicine JO - Ann Emerg Med VL - 47 IS - 4 N2 - STUDY OBJECTIVE: We describe emergency department (ED) visits in which the patient arrived by ambulance and estimate the frequency of and reasons for ambulance diversion. Using information on volume of transports and probabilities of being in diversion status, we estimate the number of patients for whom ED care was delayed because of diversion practices. METHODS: Data from the 2003 ED component of the National Hospital Ambulatory Medical Care Survey, an annual sample survey of visits to US hospital EDs, were used for the analysis. Data were provided by 405 participating EDs on 40,253 visits. Data from supplemental questionnaires to the hospital staff were used to describe volume and frequency of ambulance diversions. RESULTS: In 2003, patients arrived by ambulance for 16.2 million ED visits (14.2%). About 31 ambulances arrived at a US ED every minute. Of ambulance-related visits, 39% were made by seniors, 68% were triaged as emergent or urgent, and 37% resulted in hospital-admission. About 45% of EDs reported diverting ambulances at some point during the previous year. Among EDs that had any diversion, approximately 3% of operating time was spent in diversion status. In 2003, an estimated 501,000 ambulances were diverted, ie, 1 ambulance diversion per minute. Large EDs represent 12% of all EDs, 35% of all ambulance arrivals, 18% of all EDs that went on diversion, 47% of all hours spent in diversion status, and 70% of all ambulances diverted to another ED. CONCLUSION: Description of current use of ED ambulance transports and likelihood of diversions should help policymakers plan for demographic changes in the population during the next 15 years. SN - 1097-6760 UR - https://www.unboundmedicine.com/medline/citation/16546615/Analysis_of_ambulance_transports_and_diversions_among_US_emergency_departments_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0196-0644(05)01989-X DB - PRIME DP - Unbound Medicine ER -