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Table 5 Logistic regression analysis of association of risk factors for LTBI with a positive TST, QFT-GIT, and T-SPOT.TB result

From: Poor agreement between interferon-gamma release assays and the tuberculin skin test among HIV-infected individuals in the country of Georgia

Risk factors

Positive TST result

Positive QFT-GIT

Positive T-SPOT.TB

n = 41

n = 70

n = 56

Univariate

Multivariate

Univariate

Multivariate

Univariate

Multivariate

 

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

OR

p

OR

95% CI

Male

1.75

0.81-3.77

  

2.92

1.49-5.75

2.92

1.49-5.75

1.93

0.97-3.84

1.82

0.90-3.67

Age (per year)

1.01

0.97-1.05

  

1.01

0.97-1.04

  

1.04

1.004-1.08

1.04

1.003-1.08

Imprisonment

2.31

1.08-4.92

2.09

0.88-4.97

2.22

1.14-4.31

  

1.78

0.88-3.61

  

Unemployment

0.80

0.38-1.69

  

1.22

0.63-2.34

  

1.15

0.57-2.33

  

On ART

0.19

0.06-0.62

0.15

0.04-0.52

0.80

0.42-1.53

  

0.66

0.32-1.39

  

VL <75

0.34

0.08-1.48

  

0.63

0.24-1.63

  

1.10

0.44-2.73

  

CD4 <100

-

-

  

-

-

  

-

-

  

100 < CD4 <200

1.85

0.61-5.65

0.92

0.35-2.42

1.34

0.53-3.36

CD4 >200

1.44

0.59-3.55

1.32

0.66-2.65

0.71

0.34-1.47

Hepatitis C Ab +

2.38

1.19-4.77

2.18

1.01-4.71

1.72

0.98-3.00

  

1.78

0.97-3.26

  

Hepatitis B sAG +

1.39

0.28-6.96

  

2.00

0.52-7.68

  

4.36

1.13-16.85

5.13

1.24-21.17

Household Member treated for TB

1.48

0.39-5.62

  

0.43

0.09-1.97

  

1.48

0.44-5.00

  

BCG

2.55

0.32-20.18

  

1.41

0.38-5.29

  

1.78

0.38-8.28

  

Tobacco

1.32

0.65-2.71

  

2.02

1.09-3.75

  

1.16

0.62-2.18

  

ETOH (AUDIT > = 8)

1.42

0.57-3.54

  

0.94

0.41-2.16

  

1.87

0.84-4.17

  

Drug Use (DART > =3)

2.02

1.02-4.01

  

2.33

1.31-4.16

  

1.42

0.76-2.64

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