Research Article

Added Value of QuantiFERON TB-Gold in-Tube for Detecting Latent Tuberculosis Infection among Persons Living with HIV/AIDS

Table 1

Characteristics of 300 participants with AIDS according to the presence of LTBI detected by TST or QFT-GIT in Brasilia, Federal District, Brazil.

CharacteristicsWith LTBI
( )
(%)
Without LTBI
( )
(%)

Sex
 Male 15 (7.0) 200 (93.0)
 Female3 (3.5)82 (96.5)
Schooling (years)
 <9 years18 (18.4)80 (81.6)
 9–12 years105 (100)
 >12 years97 (100)
Marital status
 Single12 (7.2)154 (92.8)
 Married2 (3.8)51 (96.2)
 Divorced2 (8.3)22 (91.7)
 Widower11 (100)
 Living together2 (4.3)44 (95.7)
Monthly income*
 None2 (8.7)21 (91.3)
 <1 minimum wage5 (10.0)45 (90.0)
 1–5 minimum wages7 (4.4)152 (95.6)
 >5 minimum wage4 (5.9)64 (94.1)
Alcohol intake
 Yes11 (6.9)148 (93.1)
 No7 (5.0)134 (95.0)
Smoking habit
 Yes (ever)1 (3.8)25 (96.2)
 No17 (6.2)257 (93.8)
BCG vaccination
 Yes15 (6.6)213 (93.4)
 No3 (4.2)69 (95.8)
Doses of BCG
 One14 (6.7)196 (93.3)
 Two1 (5.6)17 (94.4)
History of contact with index case
 No16 (6.2)243 (93.8)
 Yes1 (2.9)34 (97.1)
 No information1 (16.7)5 (83.3)
CD4 count
 ≥200 cells/mm³17 (6.3)253 (93.7)
 <200 cells/mm³1 (3.3)29 (96.7)

Legend: LTBI: latent tuberculosis infection; BCG: Bacillus Calmette-Guérin.
*Minimum wage = 615.00 Brazilian reais, equivalent to 349.40 American dollars at the time of data collection.
Percentage calculated over those vaccinated with BCG.