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Accuracy of asthma death statistics in Australia
Authors:Mark A. Jenkins  Abe R. Rubinfeld  Colin F. Robertson  Glenn Bowes
Abstract:
Abstract: Asthma mortality statistics issued by the Australian Bureau of Statistics (ABS) were compared with clinical data from a survey of asthma mortality. Deaths in Victoria from May 1986 to April 1987 containing ‘asthma’ in Parts 1 or 2 of the death certificate (N = 405) were reviewed. For each subject, the cause of death attributed by the Victorian Asthma Mortality Survey was compared with the ABS cause of death, by age and sex of the subject. Information on 393 of the 405 deaths investigated by the the Victorian Asthma Mortality Survey was analysed. The ABS estimate of the total number of asthma deaths in Victoria was 47 per cent higher than the estimate of the Victorian Asthma Mortality Survey. In subjects under 50 years of age the two estimates were within 10 per cent. The difference between the estimates increased with age at death for persons over 50 years old and was equivalent for males and females. If the assessment by the Victorian Asthma Mortality Survey of the number of deaths due to asthma is accepted as accurate, then the ABS estimate of asthma deaths was reliable for those under 50 years of age. In those who died at an older age, the ABS significantly overestimated the number of deaths due to asthma in Victoria.
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