The association between the availability of ambulatory care and non-emergency treatment in emergency medicine departments: A comprehensive and nationwide validation

Lowthian, 2011, Systematic review of trends in emergency department attendances: an Australian perspective, Emergency Medicine Journal, 28, 373, 10.1136/emj.2010.099226 Hoot, 2008, Systematic review of emergency department crowding: causes, effects, and solutions, Annals of Emergency Medicine, 52, 126, 10.1016/j.annemergmed.2008.03.014 Wargon, 2010, From model to forecasting: a multicenter study in emergency departments, Academic Emergency Medicine, 17, 970, 10.1111/j.1553-2712.2010.00847.x Moskop, 2009, Emergency department crowding, part 1 – concept, causes, and moral consequences, Annals of Emergency Medicine, 53, 605, 10.1016/j.annemergmed.2008.09.019 Moskop, 2009, Emergency department crowding, part 2 – barriers to reform and strategies to overcome them, Annals of Emergency Medicine, 53, 612, 10.1016/j.annemergmed.2008.09.024 McCarthy, 2009, Crowding delays treatment and lengthens emergency department length of stay, even among high-acuity patients, Annals of Emergency Medicine, 54, 492, 10.1016/j.annemergmed.2009.03.006 Pines, 2008, Emergency department crowding is associated with poor care for patients with severe pain, Annals of Emergency Medicine, 51, 1, 10.1016/j.annemergmed.2007.07.008 Sprivulis, 2006, The association between hospital overcrowding and mortality among patients admitted via Western Australian emergency departments, The Medical Journal of Australia, 184, 208, 10.5694/j.1326-5377.2006.tb00203.x Chan, 2012, Intelligence modeling for coping strategies to reduce emergency department overcrowding in hospitals, Journal of Intelligent Manufacturing, 23, 2307, 10.1007/s10845-011-0574-9 Lee, 2003, How to minimize inappropriate utilization of accident and emergency departments: improve the validity of classifying the general practice cases amongst the A&E attendees, Health Policy, 66, 159, 10.1016/S0168-8510(03)00023-X Durand, 2011, ED patients: how nonurgent are they? Systematic review of the emergency medicine literature, The American Journal of Emergency Medicine, 29, 333, 10.1016/j.ajem.2010.01.003 Tsai, 2011, Nonemergent emergency department visits under the national health insurance in Taiwan, Health Policy, 100, 189, 10.1016/j.healthpol.2010.10.007 Kaskie, 2011, Older adults who persistently present to the emergency department with severe, non-severe, and indeterminate episode patterns, BMC Geriatrics, 11, 65, 10.1186/1471-2318-11-65 Weinick, 2010, Many emergency department visits could be managed at urgent care centers and retail clinics, Health Affairs, 29, 1630, 10.1377/hlthaff.2009.0748 Kirby, 2010, Patient related factors in frequent readmissions: the influence of condition, access to services and patient choice, BMC Health Services Research, 10, 216, 10.1186/1472-6963-10-216 Ben-Isaac, 2010, National profile of nonemergent pediatric emergency department visits, Pediatrics, 125, 454, 10.1542/peds.2009-0544 Siminski, 2008, Primary care presentations at emergency departments: rates and reasons by age and sex, Australian Health Review, 32, 700, 10.1071/AH080700 Rust, 2008, Practical barriers to timely primary care access: impact on adult use of emergency department services, Archives of Internal Medicine, 168, 1705, 10.1001/archinte.168.15.1705 Lega, 2008, Why non-urgent patients choose emergency over primary care services? Empirical evidence and managerial implications, Health Policy, 88, 326, 10.1016/j.healthpol.2008.04.005 Callen, 2008, Emergency department use in a rural Australian setting: are the factors prompting attendance appropriate?, Australian Health Review, 32, 710, 10.1071/AH080710 Carret, 2007, Demand for emergency health service: factors associated with inappropriate use, BMC Health Services Research, 7, 131, 10.1186/1472-6963-7-131 Afilalo, 2004, Nonurgent emergency department patient characteristics and barriers to primary care, Academic Emergency Medicine, 11, 1302, 10.1111/j.1553-2712.2004.tb01918.x Wajnberg A, Hwang U, Torres L, Yang S. Characteristics of Frequent Geriatric Users of an Urban Emergency Department. The Journal of Emergency Medicine 2011, http://dx.doi.org/10.1016/j.bbr.2011.03.031. Tranquada, 2010, Emergency department workload increase: dependence on primary care?, The Journal of Emergency Medicine, 38, 279, 10.1016/j.jemermed.2008.11.031 Weber, 2005, Does lack of a usual source of care or health insurance increase the likelihood of an emergency department visit? Results of a national population-based study, Annals of Emergency Medicine, 45, 4, 10.1016/j.annemergmed.2004.06.023 Ghorob, 2012, Sharing the care to improve access to primary care, The New England Journal of Medicine, 366, 1955, 10.1056/NEJMp1202775 Han, 2007, Patients presenting to the emergency department: the use of other health care services and reasons for presentation, Canadian Journal of Emergency Medicine, 9, 428, 10.1017/S1481803500015451 Rodriguez, 2008, Primary care physician visit continuity: a comparison of patient-reported and administratively derived measures, Journal of General Internal Medicine, 23, 1499, 10.1007/s11606-008-0692-z Bureau of National Health Insurance DoH, 2011 Cheng, 2011, Does continuity of care matter in a health care system that lacks referral arrangements?, Health Policy and Planning, 26, 157, 10.1093/heapol/czq035 Shih, 1999, ED overcrowding in Taiwan: facts and strategies, The American Journal of Emergency Medicine, 17, 198, 10.1016/S0735-6757(99)90061-X Yang, 2009, Utilization of and direct expenditure for emergency medical care in Taiwan: a population-based descriptive study, Journal of Epidemiology, 19, 41, 10.2188/jea.JE20080042 Huang, 2008, Exploring medical utilization patterns of emergency department users, Journal of the Formosan Medical Association, 107, 119, 10.1016/S0929-6646(08)60125-4 Hsiao, 2007, Using Taiwan's national health insurance research databases for pharmacoepidemiology research, Journal of Food and Drug Analysis, 15, 99 Institute NHR. Introduction to the national health insurance research database (NHIRD), Taiwan. 2007, http://w3.nhri.org.tw/nhird/date_01.html. [Accessed 25.11.2011] Billings, 2000 Ballard, 2010, Validation of an algorithm for categorizing the severity of hospital emergency department visits, Medical Care, 48, 58, 10.1097/MLR.0b013e3181bd49ad Brousseau, 2007, Quality of primary care and subsequent pediatric emergency department utilization, Pediatrics, 119, 1131, 10.1542/peds.2006-3518 Bureau of National Health Insurance DoH, Executive Yuan. The Scope of Chronic Disease, National Health Insurance, Taiwan. 2011; http://www.nhi.gov.tw/webdata/webdata.aspx?menu=20&menu_id=712&WD_ID=899&webdata_id=1022. [Accessed 10.10.2011]. Jee, 2006, Indices for continuity of care: a systematic review of the literature, Medical Care Research and Review, 63, 158, 10.1177/1077558705285294 Leland, 1999, Statistical methods in psychology journals: guidelines and explanations, American Psychological Association journals, 54, 594 Nakagawa, 2007, Effect size, confidence interval and statistical significance: a practical guide for biologists, Biological Reviews of the Cambridge Philosophical Society, 82, 591, 10.1111/j.1469-185X.2007.00027.x Kellermann, 2012, Emergency departments, Medicaid costs, and access to primary care – understanding the link, The New England journal of medicine, 366, 2141, 10.1056/NEJMp1203247 Tsai, 2010, Utilization of emergency department in patients with non-urgent medical problems: patient preference and emergency department convenience, Journal of the Formosan Medical Association, 109, 533, 10.1016/S0929-6646(10)60088-5 Ludwick, 2009, Distances to emergency department and to primary care provider's office affect emergency department use in children, Academic Emergency Medicine, 16, 411, 10.1111/j.1553-2712.2009.00395.x Gentile, 2010, Nonurgent patients in the emergency department? A French formula to prevent misuse, BMC Health Services Research, 10, 66, 10.1186/1472-6963-10-66 Roberts, 1998, Can primary care and community-based models of emergency care substitute for the hospital accident and emergency (A & E) department?, Health Policy, 44, 191, 10.1016/S0168-8510(98)00021-9 van Uden, 2004, Does setting up out of hours primary care cooperatives outside a hospital reduce demand for emergency care?, Emergency Medicine Journal, 21, 722, 10.1136/emj.2004.016071 O’Keeffe, 2008, The effect of a new general practice out-of-hours co-operative on a county hospital accident and emergency department, Irish Journal of Medical Science, 177, 367, 10.1007/s11845-008-0195-2 Berry, 2008, Why do parents bring children to the emergency department for nonurgent conditions? A qualitative study, Ambulatory Pediatrics, 8, 360, 10.1016/j.ambp.2008.07.001 McCusker J, Tousignant P, Borgès Da Silva R, Ciampi A, Lévesque J-F, Vadeboncoeur A, et al. Factors predicting patient use of the emergency department: a retrospective cohort study. Canadian Medical Association Journal 2012; first published doi: 10.1503/cmaj.111069. Van Walraven, 2010, The association between continuity of care and outcomes: a systematic and critical review, Journal of evaluation in clinical practice, 16, 947, 10.1111/j.1365-2753.2009.01235.x Stein, 2002, The relevance of continuity of care: a solution for the chaos in the emergency services, Family Practice, 19, 207, 10.1093/fampra/19.2.207 Petersen, 1998, Nonurgent emergency department visits: the effect of having a regular doctor, Medical Care, 36, 1249, 10.1097/00005650-199808000-00012 Sarver, 2002, Usual source of care and nonurgent emergency department use, Academic Emergency Medicine, 9, 916, 10.1111/j.1553-2712.2002.tb02193.x Paul, 2010, A systematic review of simulation studies investigating emergency department overcrowding, Simulation, 86, 559, 10.1177/0037549709360912 Wargon, 2009, A systematic review of models for forecasting the number of emergency department visits, Emergency Medicine Journal, 26, 395, 10.1136/emj.2008.062380