Prevalence

Rapid assessment of antimicrobial resistance prevalence using a Lot Quality Assurance sampling approach

AIM: Increasing antimicrobial resistance (AMR) requires rapid surveillance tools, such as Lot Quality Assurance Sampling (LQAS). MATERIALS & METHODS: LQAS classifies AMR as high or low based on set parameters. We compared classifications with the …

Health care-seeking behaviour among people with cough in Tanzania: findings from a tuberculosis prevalence survey

SETTING: The study was conducted within a nation-wide population-based tuberculosis (TB) prevalence survey in the adult population in Tanzania. OBJECTIVE: To assess the health care-seeking behaviour of coughers presumed to have TB. DESIGN: A survey …

Epidemiological surveys embedded in technical assistance to Tuberculosis control Programmes

Many National Tuberculosis Programmes (NTPs) receive Technical Assistance (TA) for the implementation and evaluation of their TB-control strategies. KNCV tuberculosis Foundation (KNCV) in the Netherlands is a TA organization providing assistance for …

Epidemiology of tuberculosis in an urban slum of Dhaka City, Bangladesh

BACKGROUND: The objectives of this study were to assess the tuberculosis (TB) burden and to provide an insight into the type of circulating M. tuberculosis species in urban slums of Bangladesh. We also aimed to test the feasibility of a larger …

Role of the QuantiFERON(R)-TB Gold In-Tube assay in screening new immigrants for tuberculosis infection

This study aimed to estimate the risk of progression to active tuberculosis (TB) within 2 yrs after entry in newly arriving immigrants who were screened with the QuantiFERON®-TB Gold In-Tube assay (QFT-GIT; Cellestis, Carnegie, Australia). In a …

Prevalence of smear-positive tuberculosis in persons aged ≥ 15 years in Bangladesh: results from a national survey, 2007-2009

The aim of this study was to determine the nationwide prevalence of smear-positive tuberculosis (TB) in Bangladesh. A multi-stage cluster survey of a random sample of persons aged ≥ 15 years was included in 40 clusters (20 urban, 20 rural). Two …

Multidrug resistance among new tuberculosis cases: detecting local variation through lot quality-assurance sampling

BACKGROUND: Current methodology for multidrug-resistant tuberculosis (MDR TB) surveys endorsed by the World Health Organization provides estimates of MDR TB prevalence among new cases at the national level. On the aggregate, local variation in the …

Socio economic position in TB prevalence and access to services: results from a population prevalence survey and a facility-based survey in Bangladesh

BACKGROUND: In Bangladesh DOTS has been provided free of charge since 1993, yet information on access to TB services by different population group is not well documented. The objective of this study was to assess and compare the socio economic …

Coverage and yield of tuberculosis contact investigations in the Netherlands

SETTING: An increasing proportion of tuberculosis (TB) patients in low-incidence countries are immigrants. It is unclear whether contact investigations among immigrant patients are adequate. OBJECTIVE: To determine whether ethnicity of pulmonary TB …

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 …