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Hospital separations
The Inpatient Statistics Collection (ISC) covers all inpatient treated in NSW hospitals. The survey covers approximately 70 variables, and since 1 July 1993 both public and private hospitals have been fully enumerated. It provides information to assist in the planning of an efficient and equitable distribution of health services, indicators of health status, and statistical information to monitor the utilisation of New South Wales hospital services. The ISC is a financial year collection from 1 July through to 30 June of the following year. Hospitals are required to submit details for every inpatient episode of care. An episode of care ends by either the patient ending a period of stay in hospital (i.e. by discharge, transfer or death) or by the patient becoming a different type of patient within the same period of stay in hospital. The reasons (diagnosis) for a hospital admission as well as the circumstances of injury (external causes) are coded according the 10 th revision of the International Classification of Diseases, Australian Modification (ICD-10-AM).
Limitations
Method of enumeration (episode of care) results in multiple counting of separations resulting of a particular injury.
Activity when injured and place of occurrence of injury is missing for more than half of the cases.
Australian Bureau of Statistics (ABS) Death Data
This dataset contains death-related information supplied to the Australian Bureau of Statistics (ABS) by the State of Registrars of Births, Deaths and Marriages, as well as the Coroner’s office, for each calendar year. The ABS checks the information supplied to it and appends codes for the cause of death, the place of residence of the deceased person and numerous other variables. Each registered death is coded according to the International Classification of Diseases (ICD-10). Other variables included in the dataset include age, sex, marital status, country of birth, indigenous status, local area and area health service of residence.
Limitations
The mortality data is supplied by ABS by year of registration. Therefore, deaths occurring in the last few weeks of each calendar year (or the last few months for coronial cases) may not be registered until the subsequent year.
Information on activity when injured and place of occurrence of injury is incomplete.
Traffic Accident Data Systems (TADS)
Provided on a yearly basis by the NSW Roads and Traffic Authority and includes all traffic accidents, recorded by the police, in which a person was killed or injured or at least one motor vehicle was towed away. The datasets contains a wealth of information on the circumstances of traffic crashes including characteristics of the vehicle(s) and the person(s) involved as well as the environmental conditions at the time of the crash.
Limitations
Some accidents reports aren’t received until well into the following year and after the annual accident database is finalised. These amount to some 2% of casualty and tow away accidents and are counted in the following year’s statistics.
Information on the outcomes of the crash in terms of injury and/or disability is very limited.
Motor Accidents Authority datasets
The Motor Accidents Authority datasets originate from the Third Party personal injury insurance scheme for motor vehicles registered in NSW. The scheme provides compensation for people injured in motor vehicle accidents as a result of another vehicle owner or driver fault. The dataset contains information regarding severity and type of impairment for all injuries recorded as well as the type of health services used after a motor vehicle crash. The dataset also contains detailed costing of motor vehicle crashes, including those associated with legal services, acute care, rehabilitation, aids and appliances, home and vehicle modifications, future care, future economic loss as well as non economic costs.
Limitations
The data does not include cases where the driver was totally at fault, when no-one was at fault (e.g. an animal on the road or a single vehicle accident) or when the person considered at fault was not the owner or driver of a motor vehicle (e.g. the person was a pedestrian or cyclist).
Other databases
The IRMRC also has access to a number of other data sources which contain information on specific injury-related issues. These include the 1996 Older People Health Survey, the 2000 NSW Child Death Survey, the continuous NSW Health Survey and the Workers’ Compensation Scheme Statistics (July 1999-June 2001).
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