Benchmarking to Assess Potential Under-Diagnosis of Smear-Negative and Extrapulmonary Tuberculosis. A Case Study from Mozambique
Domaine:
healthcareType de record:
paper
Créateur:
MirPauChaPau
Éditeur:
Ben
Hôte:
No tool exists to identify potential under-diagnosis of smear-negative and extrapulmonary TB. In an ecological
study, we used a simple tool plotting percentages of smear-positive pulmonary TB amongst newly diagnosed TB in
African region countries and provinces in Mozambique against the country's and provinces’ HIV prevalence. We visually
inspected the plots to determine potential under-diagnosis of smear-negative and extrapulmonary TB in three facilities in
Manica Province, Mozambique.
In these facilities, we found 67% smear-positivity among new TB cases in an area with HIV prevalence of more than
10%. All African region countries with an HIV prevalence of more than 10% had a smear-positivity lower than 50%.
Most Mozambican provinces with a high HIV prevalence have smear-positivity rate of below 51%. Our findings show
that benchmarking can be used to assist in identifying potential under-diagnosis of smear-negative and extrapulmonary
TB. The findings also suggest that potentially under-diagnosis of these forms of TB exists in the study population.
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