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Table 1 Basic characteristics of the study population

From: Levels of vitamin D-associated cytokines distinguish between active and latent tuberculosis following a tuberculosis outbreak

  Active TB (n = 25) LTBI (n = 25)
Age† 18 (17–18) 18 (17–18)
Male, n (%) 25 (100) 25 (100)
BMI† 21.8 (19.7–24.2) 23.2 (21.5–26.1)
BCG vaccination history, n (%) 25 (100) 25 (100)
Pulmonary TB diagnosis, n (%)
 Positive AFB smear 1 (4%)  
 Positive AFB culture 10 (20%)  
Extent of lesion evident on HRCT
 Single lobe involvement 20 (80%)  
 Multiple lobe involvement 5 (20%)  
 Positive on IGRA test, n (%) 23 (92%) 25 (100%)
 IFNγTB-nil of QFT-GIT† 4.93 (1.78–10) 0.92 (0.64–2.36)
  1. †Age in years; body mass index (BMI) in kg/m2