Table 4

Case detection rates for latent tuberculosis infection (defined as positive TST and/or IGRA) for different screening strategies

Screening approachNumber testedNumber positiveCase detection rate (%)Proportion of latent TB infection identified (%)
Study1141714.9100.0
NICE general population43920.952.9
NICE immunosuppressed74810.847.1
  • IGRA, interferon-γ release assay; NICE, National Institute for Health and Clinical Excellence; TST, tuberculin skin test.