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Table 4 Odds ratios for indeterminate or false negative result by multivariate logistic regression analysis for 172 Tanzanian patients only

From: Negative effect of smoking on the performance of the QuantiFERON TB gold in tube test

 

False negative QFT

Indeterminate QFT

 

OR (95% CI)

p

OR (95% CI)

p

Sex (male)

0.99 (0.34-2.90)

0.99

2.56 (0.88-7.51)

0.09

Age

0.99 (0.95-1.03)

0.60

0.98 (0.95-1.02)

0.37

HIV

2.11 (0.73-6.14)

0.17

4.34 (1.59-11.85)

0.0041

Smoking

17.14 (2.96-99.11)

0.0015

5.13 (1.24-21.25)

0.02

Alcohol consumption

0.12 (0.02-0.77)

0.03

0.60 (0.18-1.97)

0.40

  1. Possible predictorsfor a false negative and indeterminate QFT result respectively were identified by multivariate analysis in 172 patients with bacteriologically confirmed pulmonary TB from Tanzania in a model including sex, HIV, smoking and alcohol consumption.
  2. QFT: QuantiFERON-TB Gold In tube test. OR: Odds ratio. CI: Confidence interval.
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BMC Infectious Diseases

ISSN: 1471-2334

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