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AIDS. 2005 Jan 28;19(2):193-201.

Identifying deaths from AIDS in South Africa.

Author information

  • 1Burden of Disease Research Unit, Medical Research Council of South Africa, Tygerberg, South Africa.

Abstract

OBJECTIVE:

To quantify the HIV/AIDS deaths misclassified to AIDS-related conditions in South Africa.

DESIGN:

Retrospective analysis of vital registration data.

METHODS:

Cause-specific death rates for 1996 and 2000-2001 were calculated using vital registration cause-of-death profiles applied to a model (ASSA2000) estimate of total mortality rates by age and sex. The difference in the age-specific death rates for these two periods was examined to identify conditions where there was a noticeable increase in mortality following the same age pattern as the HIV deaths, thus likely to be misclassified AIDS deaths.

RESULTS:

The increase in the age-specific death rates for HIV-related deaths showed a distinct age pattern, which has been observed elsewhere. Out of the 22 potential causes of death investigated, there were nine that increased in the same distinct age pattern (tuberculosis, pneumonia, diarrhoea, meningitis, other respiratory disease, non-infective gastroenteritis, other infectious and parasitic diseases, deficiency anaemias and protein energy malnutrition) and could be considered AIDS-related conditions. The increase in these conditions accounted for 61% of the total deaths related to HIV/AIDS. When added to the deaths classified as HIV-related on the death certificate, the total accounts for 93% of the ASSA2000 model estimates of the number of AIDS deaths in 2000.

CONCLUSION:

As a large proportion of AIDS deaths appear to be classified to AIDS-related conditions, without reference to HIV, interpretation of death statistics in South Africa cannot be made on face value as a large proportion of deaths caused by HIV infection are misclassified.

Comment in

PMID:
15668545
[PubMed - indexed for MEDLINE]
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