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Table 4 Multivariate Analysis, using Conditional Logistic Regression to evaluate Risk Factors for a Positive Diagnostic Test for Latent Tuberculosis Infection

From: Diagnosis of latent tuberculosis infection among HIV discordant partners using interferon gamma release assays

Risk factors for positive TST Odds Ratio 95% Confidence Interval
Age < 32 years 0.98 0.36-2.62
Male Gender 1.33 0.79-2.22
HIV negative*
Age < 32 years
Age ≥ 32 years
1.86
3.67
1.06-2.67
1.60-8.39
Risk factors for positive QFT Odds Ratio 95% Confidence Interval
Age < 32 years 0.56 0.24-1.36
Male Gender 0.92 0.55-1.53
HIV negative 2.22 1.42-3.46
Risk factors for positive TSPOT Prevalence Ratio 95% Confidence Interval
Age < 32 years 0.98 0.42-2.28
Male Gender 1.59 0.92-2.76
HIV negative 1.79 1.16-2.77
  1. *Interaction between age and HIV
  2. TST: Tuberculin Skin Test
  3. QFT: Quantiferon-TB Gold In Tube Test
  4. TSPOT: TSPOT.TB Test
  5. HIV: Human Immunodeficiency Virus