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.
Characteristics
With LTBI () (%)
Without LTBI () (%)
Sex
Male
15 (7.0)
200 (93.0)
Female
3 (3.5)
82 (96.5)
Schooling (years)
<9 years
18 (18.4)
80 (81.6)
9–12 years
—
105 (100)
>12 years
—
97 (100)
Marital status
Single
12 (7.2)
154 (92.8)
Married
2 (3.8)
51 (96.2)
Divorced
2 (8.3)
22 (91.7)
Widower
—
11 (100)
Living together
2 (4.3)
44 (95.7)
Monthly income*
None
2 (8.7)
21 (91.3)
<1 minimum wage
5 (10.0)
45 (90.0)
1–5 minimum wages
7 (4.4)
152 (95.6)
>5 minimum wage
4 (5.9)
64 (94.1)
Alcohol intake
Yes
11 (6.9)
148 (93.1)
No
7 (5.0)
134 (95.0)
Smoking habit
Yes (ever)
1 (3.8)
25 (96.2)
No
17 (6.2)
257 (93.8)
BCG vaccination
Yes
15 (6.6)
213 (93.4)
No
3 (4.2)
69 (95.8)
Doses of BCG†
One
14 (6.7)
196 (93.3)
Two
1 (5.6)
17 (94.4)
History of contact with index case
No
16 (6.2)
243 (93.8)
Yes
1 (2.9)
34 (97.1)
No information
1 (16.7)
5 (83.3)
CD4 count
≥200 cells/mm³
17 (6.3)
253 (93.7)
<200 cells/mm³
1 (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.