Glossary Age standardisation The removal of the influence of age when comparing rates between populations with different age structures. The current standard population is the Australian Estimated Resident Population as at 30 June 2001 (ABS 2012). Rates in the atlas are expressed per 100,000 people.1 Carer A person who provides unpaid care and support to a family member or friend who has a disability, mental illness, chronic condition, terminal illness or general frailty. Includes parents and guardians caring for children. Casemix-adjusted Casemix is the mix of types of patients a hospital treats. In the atlas, casemix‑ adjustment is a statistical adjustment made for the average complexity of patients when grouping hospitals to hospital peer groups. In the atlas, this occurred for the length of stay items only. Clinician A healthcare provider trained as a health professional. Includes registered and non‑ registered practitioners, and teams of health professionals who spend most of their time providing direct clinical care. Consumer Patient, potential patient, carer or organisation representing consumer interests. Episode of care A period of care in a hospital. This can be a total hospital stay (from admission to discharge, transfer or death) or a portion of a hospital stay beginning or ending in a change of type of care (for example, from acute care to rehabilitation). Hospital All public, private, acute and psychiatric hospitals, freestanding day hospital facilities and alcohol and drug treatment centres. Includes hospitals specialising in dentistry, ophthalmology and other acute medical or surgical care. May also include hospitals run by the Australian Defence Force and corrections authorities, and those in Australia’s offshore territories. Excludes outpatient clinics and emergency departments. 1 See the Technical Supplement for more information on the methodology used. Australian Atlas of Healthcare Variation Glossary | 357 Glossary Hospital admission The administrative process of becoming a patient in a hospital.2 Hospital peer group Grouping according to similarity to enable fair comparisons of performance across hospitals. A peer group can consist of hospitals of a similar size (major, large, medium‑ sized or small) or geographical location. Hospital size is determined by the number of admissions and in some cases the number of emergency department presentations annually. Hospitals within peer groups may change each year due to changes in their activity. See definitions for major metropolitan hospitals, major regional hospitals, large metropolitan hospitals and large regional hospitals. Large metropolitan hospitals Metropolitan acute hospitals treating greater than 10,000 acute casemix-adjusted separations and greater than 20,000 emergency department presentations annually. Large regional hospitals Regional acute hospitals treating greater than 8,000 acute casemix-adjusted separations and greater than 20,000 emergency department presentations annually. Length of stay Also known as ‘average length of stay’ within the atlas. The average (mean) number of days spent in hospital for each stay (episode of care) for patients who stay at least one night. Local health networks States and territories each have different descriptions of the governance structure providing health services. These include local health networks, local hospital networks, local health districts, boards or area health services. Where the term ‘local health network’ is used, it refers to the description of any of these terms as relevant to states and territories. Major metropolitan hospitals Metropolitan hospitals with greater than 20,000 acute casemix-adjusted separations and greater than 20,000 emergency department presentations annually. Excludes specialist women’s and children’s hospitals. Major regional hospitals Regional hospitals with greater than 16,000 acute casemix-adjusted separations and greater than 20,000 emergency department presentations annually. Excludes specialist women’s and children’s hospitals. Medicare Benefits Schedule (MBS) A listing of the Medicare services that the Australian Government subsidises.3 Pharmaceutical Benefits Scheme (PBS) An Australian Government program that subsidises medicines.4 2 3 4 National Health Performance Authority. Glossary. 2015. (Accessed 13 October at www.myhealthycommunities.gov.au/glossary). Australian Government Department of Health. MBS Online. 2013. (Accessed 14 October 2015 at www.mbsonline.gov.au/internet/mbsonline/publishing.nsf/Content/Home). Pharmaceutical Benefits Scheme. PBS Frequently Asked Questions. 2015. (Accessed 12 October 2015 at www.pbs.gov.au/info/general/faq). 358 | Australian Commission on Safety and Quality in Health Care Glossary Population The atlas uses two population estimates based on the Australian Bureau of Statistics (ABS) Estimated Resident Population at 30 June 2013, and age-standardised rates are calculated as at 30 June 2001 and are based on the 2001 Census results. Primary care Relates to the treatment of non-admitted patients in the community. It is usually the first point of contact people have with the health system.5 Primary health networks Primary health networks began to operate on 1 July 2015 to replace Medicare locals.6 PHNs connect health services across local communities so that patients, particularly those needing coordinated care, have the best access to a range of health care providers, including practitioners, community health services and hospitals. PHNs work directly with general practitioners, other primary care providers, secondary care providers and hospitals. Regulation 24 prescription A PBS prescription that, in certain circumstances, allows a pharmacy to supply all repeats simultaneously. Remoteness Areas Categories of geographical remoteness based on the ABS 2006 Census of Population and Housing.7 Same-day hospitalisation Occurs when a patient is admitted and separated from hospital on the same date. Separation An episode of admitted patient care, which can be a total hospital stay (from admission to discharge, transfer or death) or a portion of a hospital stay beginning or ending in a change of type of care (for example, from acute care to rehabilitation). In the atlas, ‘separation’ usually refers to a hospital admission. Socioeconomic status Local areas are grouped into socioeconomic quintiles based on the 2011 Index of Relative Socio-Economic Disadvantage (IRSD) at the SA1 level. The IRSD is derived from Census variables relating to disadvantage, such as low income, low educational attainment, unemployment and dwellings without motor vehicles. Information from the ABS Socio-Economic Indexes for Areas (SEIFA) – Index of Relative Socio-Economic Disadvantage was used to calculate the socioeconomic status at the SA3 and SA4 levels in the atlas. SEIFA includes four summary measures created from 2006 Census information. The indexes can be used to explore different aspects of socioeconomic conditions by geographic areas. For each index, every geographic area in Australia is given a SEIFA number that shows how disadvantaged that area is compared with other areas. Each index summarises a different aspect of the socioeconomic conditions of people living in an area. For example, they provide more general measures of socioeconomic status than is given by measuring income or unemployment alone. 8 5 6 7 8 Department of Health. Primary care. 2015. (Accessed 12 October 2015 at www.health.gov.au/internet/main/publishing.nsf/content/primarycare). Medicare Locals planned and funded health services in communities across Australia from 2011 to 2015. In 2015, Medicare Locals were replaced by Primary Health Networks (PHNs). Also see Primary Health Network. For information on the categories used in the atlas, see the ABS’ Statistical Geography Volume 1 – Australian Standard Geographical Classification (ASGC), July 2006, cat. no. 1216.0. For further information, see the ABS’ Information Paper: An Introduction to Socio-Economic Indexes for Areas (SEIFA), 2006, ABS cat. no. 2039.0. Australian Atlas of Healthcare Variation Opioid medicines | 359 Glossary Statistical Areas Level 3 (SA3) These are geographic areas defined in the ABS Australian Statistical Geography Standard (ASGS). The aim of SA3s is to create a standard framework for the analysis of ABS data at the regional level through clustering groups that have similar regional characteristics. There are 333 spatial SA3s covering the whole of Australia without gaps or overlaps. SA3s usually have a population of between 30,000 and 130,000 people. At 30 June 2011, about 50 had fewer than 30,000 people and 35 had more than 130,000 people. In the major cities, SA3s represent areas serviced by major transport and commercial hubs. They often closely align with large urban local government areas (for example, Parramatta and Geelong). In regional areas, they represent areas serviced by regional cities with populations of more than 20,000 people. In outer regional and remote areas, they represent areas that are widely recognised as having a distinct identity and similar social and economic characteristics (for example, the Macedon Ranges in Victoria and the Southern Highlands in NSW). There are a few ‘zero SA3s’, which have a very small or zero population and are mainly very large national parks close to the outskirts of major cities. 9 Statistical Areas Level 4 (SA4) These are geographic areas defined in the ABS Australian Statistical Geography Standard (ASGS). The aim of SA4s is to reflect the labour markets within each state and territory. SA4s provide the best sub-state and socioeconomic breakdown in the ASGS. There are 88 spatial SA4s covering the whole of Australia without gaps or overlaps. They are designed to provide a regional breakdown of Australia. Most SA4s have a minimum of 100,000 people. In regional areas, SA4s tend to have populations closer to the minimum (100,000–300,000 people). In metropolitan areas, SA4s tend to have larger populations of 300,000–500,000 people.10 For further information, see the ABS’ Australian Statistical Geography Standard (ASGS): Volume 1 – Main Structure and Greater Capital City Statistical Areas, July 2011, cat. no. 1270.0.55.001. 10 For further information, see the ABS’ Australian Statistical Geography Standard (ASGS): Volume 1 – Main Structure and Greater Capital City Statistical Areas, July 2011, cat. no. 1270.0.55.001. 9 360 | Australian Commission on Safety and Quality in Health Care