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Validation Test for Verbal Autopsy Tool in Capturing TB Death in the Community in Metro City, Lampung Province
The TB death rate and the TB prevalence are considered two indicators of infectious diseases measured to asses treatment progress to reach the MDGs target in 2015. Verbal autopsy is used to captured TB death cases happened at home. The sample of " true” TB and "non” TB tests were selected from three gold standard hospital in Metro city. Verbal autopsy was conducted by well trained nurses/midwives from Puskesmas, interviewing families having the death cases. Two reviewers set up diagnoses based on the results of the VA. A referee team would decide the final cause of death (COD) if the two diagnoses made by these two reviewers were unmatched. To avoid bias in this study, the blind technique was applied. The result of validation test shows out of 95 cases picked out from the three hospitals, only 65 of them were available for interview, 16 were defined to be TB cases and the other 49 cases were non TB, based as gold standard. There were 13 cases of well matched diagnoses between VA result and gold standard with Sensitivity value of 81 per cent (13 per 16). Twenty one death cases were defined TB through VA, the Positive Predictive Value was then 62 per cent (13 per 21). Those result is not much difference with the other place. The quality to determine the cause of death should be improved based on the /CD-10 mortality coding.
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