This study was based on analysis of 1,312 HIV-seronegative adults living in Houston, Texas, enrolled in a population-based study of TB [7], [64].
Our population-based study of TB in a large US metropolitan city emphasized the epidemiologic, molecular, and clinical characteristics of US-born blacks.
To address this issue, we conducted a population-based study of TB cases in Dourados, a medium-size city in west central Brazil, and used case control and molecular methods to assess the relationship between incarceration and TB in the general population.
For example, hospital based studies will likely include a greater proportion of seriously ill TB patients, including patients who are undergoing retreatment.
Cohort study of TB suspects in four tuberculosis (TB) clinics in Phnom Penh, Cambodia.
Based on previous studies of extrapulmonary TB, we decided that HIV infected patients with fever (or night sweats) and weight loss, together with symptoms or signs indicating abdominal pathology, had a sufficiently high clinical suspicion to warrant further evaluation.
Most studies of TB patients on ICU involve patients with pulmonary TB [ 6, 8].
The study hospitals were selected based on the flow of TB patients.
The sensitivities and specificities of developed Indirect ELISA based test for diagnosis of TB and Non-TB group were calculated.
The largest study of bovine tuberculosis (TB) in badgers was the randomised badger culling trial, RBCT, which reported in 2007.
The study was based on TB detection by active case finding using house to house visits.
