Tuberculosis prevalence surveys: rationale and cost [Educational series: prevalence surveys. Serialised guidelines. Assessing tuberculosis prevalence through population-based surveys. Number 1 in the series]
The primary objective of TB prevalence surveys is to determine the prevalence of PTB in the general population aged ≥15 years. Limitations of TB prevalence surveys are their inability to assess regional or geographic differences in prevalence of TB, estimate the burden of childhood TB or estimate the prevalence of extra-pulmonary TB. The cost of a prevalence survey is typically US$ 4–15 per person surveyed, and up to US$ 25 per person with radiographic screening. A survey of 50000 people, of limited precision, would typically cost US$ 200000–1250000.
Document Type: Invited Paper
Affiliations: 1: World Health Organization, Regional Office for the Western Pacific, Manila, Philippines 2: Stop TB Department, World Health Organization, Geneva, Switzerland
Publication date: September 1, 2008
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