Table 1– Characteristics of tuberculosis (TB) case contacts developing active TB in Hesse, Germany, 2008–2010
SubjectAge yearsSexOriginBCG vaccineType of TBTime from exposure to illness monthsExposure time hoursExposure settingTST result mmIGRA IU·mL−1
126FemaleForeign bornNoEP9>40VisitorPositive2.1
242FemaleGermanNoXRP2>40Household15≥10
320FemaleGermanYesSNCP6>40Household40≥10
415FemaleGermanYesSNCP6>40Household16≥10
520MaleGermanNot knownXRP4>40HouseholdNot done≥10
620MaleGermanNoSNCP6>40School12≥10
  • BCG: Bacille Calmette–Guérin; TST: tuberculin skin test; IGRA: interferon-γ release assay; EP: extrapulmonary; XRP: X-ray positive; SNCP: sputum negative/culture positive.