Table 5– Outcomes of contact investigation studies in congregate settings in high-income countries.
Frist author [ref.] | Country | Location of contact | Contacts tested | Prevalence of active TB % | Prevalence of LTBI % |
Gaensbauer [149] | Ireland | Child care centre | 268 | 6.7 | NA |
Lofy [169] | USA | Homeless facilities | 425 | 3.1 | 23.3 |
Marienau [164] | USA | Aeroplane flight | 861 | 0 | 24 |
Conover [221] | USA | Methadone clinic | 393 | NA | 22.3 |
Centers for Disease Control [226] | USA | Clubs with exotic dancers | 344 | NA | 29.8 |
Davidow [166] | USA | Workplaces | 724 | 0.2 | 22.0 |
Data are presented as n, unless otherwise stated. TB: tuberculosis; LTBI: latent tuberculosis infection; NA: not available.