References
- EMS System Act of 1973, Public Law 93-154, Washington DC, 1973
- Gibson G. Measures of emergency ambulance effectiveness: unmet need andinappropriate use. JACEP 1977; 6: 389–92
- Burt C W, McCaig L F, Valverde R H. Analysis of ambulance transports anddiversions among US emergency departments. Ann Emerg Med 2006; 47: 317–26
- 2000, U.S. census
- Fleiss J L. Measuring nominal scale agreement among many raters. Psychol Bull 1971; 76: 378–381
- Cadigan R T, Bugarin C E. Predicting demand for emergency ambulance service. Ann Emerg Med 1989; 18: 618–21
- Maio R F, Tedeschi P, Swor R, Krohmer J, Ferrel R, Jacques D L. Regional variation of nonrural pediatric ambulance transport rates: An ecological study. Pediatr Emerg Care 1996; 12(4)277–82
- Rucker D W, Edwards R A, Burstin H R, O'Neil A C, Brennan T A. Patient-specific predictors of ambulance use. Ann Emerg Med 1997; 29: 484–91
- Clark M J, Purdie J, Fitz Gerald G J, Bischoff N G, O'Rourke P K. Predictors of demand for emergency prehospital care: an Australian study. Prehosp Disast Med 1999; 14(13)167–73
- Svenson J E. Patterns of use of emergency medical transport: a population based study. Am J Emerg Med 2000; 18: 130–4
- Ting J ST, Chang A M. Path analysis modeling indicates free transport increases ambulance use for minor indications. Prehosp Emerg Care 2006; 10: 476–81
- Richards M E, Hubble M W, Crandall C. Influence of ambulance arrival on emergency department time to be seen. Prehosp Emerg Care 2006; 10: 440–46
- Nemer J A, Tallick S A, O'Connor R E, Reese C L. Emergency medical services transport of patients with headache: mode of arrival may indicate serious etiology. Prehosp Emerg Care 1998; 2: 304–7
- Kost S, Cronan K, Gorelick M, Arruda J. Ambulance use by high-acuity patients in a pediatric ED. Am J Emerg Med 2000; 18: 679–82
- Brown E, J Sindelar. The emergent problem of ambulance misuse. Ann Emerg Med 1993; 22: 646–50
- Billittier A J, Moscati R, Janicke D, Lerner E B, Seymour J, Olsson D. A multisite survey of factors contributing to medically unnecessary ambulance transports. Acad Emerg Med 1996; 3: 1046–52
- Palazzo F F, Warner O J, Harron M, Sadana A. Misuse of the London ambulance service: how much andwhy?. J Accid Emerg Med 1998; 15: 367–70
- Camasso-Richardson K, Wilde J A, Petrack E M. Medically unnecessary pediatric ambulance transports: a medical taxi service?. Acad Emerg Med 1997; 4(12)1103–6
- G Gibson. Evaluative criteria for emergency ambulance systems. Soc Sci Med 1973; 7: 424–54
- Webb S B, Jr, J Christoforo. The use andmisuse of ambulance services by the population using the emergency department at the Hospital of St. Raphael. Conn Med 1974; 38: 195–7
- Morris D L, Cross A B. Is the emergency ambulance services abused?. Br Med J 1980; 281: 121–3
- Gerson L W, Skvarch L. Emergency medical service utilization by the elderly. Ann Emerg Med 1982; 11: 610–2
- Hammond J, Gomez G A, Fine E, Eckes J, Castro M. The non-use of 9-1-1: private transport of trauma patients to a trauma center. Prehosp Disast Med 1993; 8(1)35–8
- Meischke H, Ho M T, Eisenberg M S, Schaeffer S M, Larsen M P. Reasons patients with chest pain delay or do not call 911. Ann Emerg Med 1995; 25: 193–7
- Mann N C, Schmidt T A, Cone D C. Defining research criteria to characterize medical necessity in emergency medical services: a consensus among experts at the Neely Conference. Prehosp Emerg Care 2004; 8: 138–53
- Patterson P D, Moore C G, Brice J H, Baxley E G. Use of ED Diagnosis to Determine Medical Necessity of EMS Transports. Prehosp Emerg Care 2006; 10: 488–93
- Zalenzki R. Accuracy of an out-of-hospital triage rule to detect unnecessary emergency medical service transports. Ann Emerg Med 2000; S19
- Yarris L M, Moreno R, Schmidt T A, Adams A L, Brooks H S. Reasons why patients choose an ambulance andwillingness to consider alternatives. Acad Emerg Med 2006; 13: 401–5
- Ohshige K, Chihiro Kawakami, Kubota K, Tochikubo O. A contingent valuation study of the appropriate user price for ambulance service. Acad Emerg Med 2005; 12: 932–40