Predictive Value of Tests

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 …

Predictive value of the tuberculin skin test among newly arriving immigrants

RATIONALE: Screening and treating newly arriving immigrants for latent tuberculosis infection (LTBI) in low-incidence countries could be promising to reduce the tuberculosis incidence among this population. The effectiveness of screening with the …

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 …

The tuberculin skin test: a comparison of ruler and calliper readings

BACKGROUND: The Mantoux tuberculin skin test (TST) is widely used to diagnose latent infection with Mycobacterium tuberculosis. TST skin induration may be measured either by a transparent ruler or by a pair of callipers. We hypothesised that the type …