Prevalence

Measuring socio-economic data in tuberculosis prevalence surveys

Addressing social determinants in the field of tuberculosis (TB) has received great attention in the past years, mainly due to the fact that worldwide TB incidence has not declined as much as expected, despite highly curative control strategies. One …

Guidelines for conducting tuberculin skin test surveys in high-prevalence countries

This Supplement provides an update on guidelines first published in 1996 on conducting a tuberculin skin test survey and analyzing the resulting data. The updated guidelines add experiences gained from community surveys, revisit the proposed sampling …

National anti-tuberculosis drug resistance study in Tanzania

OBJECTIVE: To assess the prevalence of anti-tuberculosis drug resistance in a national representative sample of tuberculosis (TB) patients in Tanzania according to recommended methodology. DESIGN: Cluster survey, with 40 clusters sampled proportional …

Annual meeting of the Tuberculosis Surveillance and Research Unit, 2008

The Tuberculosis Surveillance and Research Unit (TSRU) held its last annual meeting in Helsinki, Finland, from 1 to 4 April 2008. Several topics of current interest for tuberculosis (TB) research and new research projects were presented and discussed …

Inclusion of information on risk factors, socio-economic status and health seeking in a tuberculosis prevalence survey

Data on socio-economic status, exposure to risk factors for tuberculosis (TB) and previous health-seeking for TB may be included in a TB prevalence survey to gain better knowledge about the distribution of TB in the population as well as a better …

Organisation of a tuberculosis prevalence survey

Measuring tuberculosis (TB) prevalence trends provides information on progress towards the Millennium Development Goals. The World Health Organization recently published guidelines on assessing TB prevalence through population-based surveys. The …

Tuberculosis prevalence surveys: rationale and cost

This article is the first of the educational series 'Assessing tuberculosis (TB) prevalence through population-based surveys'. The series will give overall guidance in conducting cross-sectional surveys of pulmonary TB (PTB) disease. TB prevalence …

[Estimation of the incidence of tuberculosis in The Netherlands in 2030]

OBJECTIVE: To estimate the number of cases of tuberculosis (TB) in 2030 for the purpose of planning future TB control. DESIGN: Statistical modelling in 5-year intervals until 2030. METHOD: The number of Dutch TB cases infected by a Dutch source was …

Prevalence of tuberculous infection and incidence of tuberculosis: a re-assessment of the Styblo rule

OBJECTIVE: To evaluate the validity of the fixed mathematical relationship between the annual risk of tuberculous infection (ARTI), the prevalence of smear-positive tuberculosis (TB) and the incidence of smear-positive TB specified as the Styblo …