Resumo

GARCIA DE OLALLA RIZO, Patricia  e  GRUPO COLABORADOR et al. The degree to which all existing aids cases are officially reported in Catalunya: a study based on the requests for CD4 white blood cell counts and the prescribing of antitretroviral drugs. Rev. Esp. Salud Publica [online]. 1998, vol.72, n.6, pp.501-507. ISSN 2173-9110.

BACKGROUND: To ascertain the degree to which AIDS is officially reported in Catalunya. METHOD: The request for T CD4+ white blood cell counts and the prescribing of antiretroviral drugs in seven university hospitals in Catalunya from January 1, 1994 to June 31, 1994 were used as data-comparison sources. A case was considered to not have been reported when the clinical history showed a diagnosis of AIDS (according to the Europe 93 definition) and the case in question did not show up on the AIDS Registry for Catalunya. RESULTS: Of the 1,370 cases studied, 50 unreported AIDS cases were found. In all, 98.6% of all cases were found to have been reported, for a 95% confidence interval (95% CI): 98.2-99.0. Most of the unreported cases were males (72%) averaging 37.3 years of age (HCA: 11.8), 52% of whom were injected drug users (IDU’s), extrapulmonary tuberculosis being the disease most often diagnosed (16%), 81.4% having been found to have a T CD4+ white blood cell count of 200 WBC/mm³ or below. 92% of these cases were detected based on T CD4+ white blood cell counts. CONCLUSIONS: The degree of completeness found is considered to be adequate. It is recommended that the white blood cell count records being used for this type of studies.

Palavras-chave : Surveillance; AIDS; Underreporting; CD4 counts; Antiretroviral therapy.

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