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Table 2 Final diagnoses of the patients

From: IGRA tests perform similarly to TST but cause no adverse reactions: pediatric experience in Finland

Diagnosis   Total number TST performed, number TST, mm median (range)
TB detected, n = 23 Pulmonary tuberculosis 5 5 16 (15–27)
  ➢ 1 acid fast staining and culture pos    
  ➢ 4 with radiologic findings, history of contact and positive TST    
  Extrapulmonary tuberculosis 5 4 18.5 (16–30)
  ➢ 4 lymphadenitis (one HIV+), 3/4 culture positive    
  ➢ 1 with clinical presentation and positive TST    
  LTBI 13 13 16 (10–27)
No TB detected, n = 76 Healthy contacts of TB cases 45 45 0 (0–9)
  Abscesses of diverse localizations 4 3 0 (0–4)
  Pneumonia or acute respiratory infection 5 5 0
  BCG osteitis 2 2 13.5 (12–15)
  Hypersedimentation due to obesity 2 2 0
  Cysticercosis 2 1 0
  Various infectious or inflammatory conditions, one each 16 9 0 (0–7)