Table 1.
Cape Town, South Africa, patient characteristics
CharacteristicHC; IGRALTBI; IGRA+Active PTB; sputum GXPT+
n (HIV negative) 20 77 48 
Average age (yr) 38 33 37 
Sex (female/male) 12/8 39/38 13/35 
CharacteristicHC; IGRALTBI; IGRA+Active PTB; sputum GXPT+
n (HIV negative) 20 77 48 
Average age (yr) 38 33 37 
Sex (female/male) 12/8 39/38 13/35 

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