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Table 2 Predictors associated with false-negative QFT-GIT results

From: Predictors for false-negative QuantiFERON-TB Gold assay results in patients with extrapulmonary tuberculosis

  Univariate analysis* Multivariate analysis*
OR 95% CI p-value OR 95% CI p-value
Age > 65 years 0.50 0.23–1.09 0.08    
Prior tuberculosis history 0.27 0.06–1.23 0.09    
Peripheral lymphadenopathy 0.30 0.08–1.10 0.06    
Gastrointestinal TB 0.31 0.12–0.75 0.01 0.50 0.19–1.31 0.16
CNS TB 4.38 1.83–10.51 0.001 1.16 0.32–4.19 0.82
Possible TB 6.35 2.71–14.89 0.0001 4.92 1.51–16.06 0.008
Old fibrotic scar on chest X-ray 0.12 0.01–0.89 0.03 0.12 0.01–0.09 0.05
  1. *Intermediate value was excluded in univariate and multivariate analysis
  2. CNS central nervous system, TB tuberculosis