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Table 2 Factors associated with rifampin-resistant Mycobacterium tuberculosis based on Xpert MTB/RIF assay

From: Rifampin resistance and diabetes mellitus in a cross-sectional study of adult patients in rural South India

  Rifampin resistance
  Univariate Multivariate
  RR (95 % CI) P aRR (95 % CI) P
Age (years) 0.99 (0.96–1.03) 0.78 --- ---
Sex (male) 0.58 (0.18–1.88) 0.37 --- ---
Diabetesa 3.11 (1.35–7.17) <0.01 2.96 (1.30–6.74) <0.01
Previous TB Treatment 3.52 (1.58–7.84) <0.01 3.33 (1.53–7.22) <0.01
BCG Vaccination 0.60 (0.26–1.36) 0.22 --- ---
TB Symptoms (weeks)b 1.00 (0.97–1.03) 0.81 --- ---
QFT-G 2.02 (0.50–8.22) 0.33 --- ---
AFB 3.60 (0.87–14.91) 0.08 3.14 (1.03–9.58) 0.05
  1. Abbreviations: AFB Acid-fast bacilli sputum smear microscopy, BCG Bacille Calmette-Guérin, CI confidence interval, TB tuberculosis, QFT-G Quantiferon-TB Gold In-Tube, RR risk ratio, aRR adjusted risk ratio
  2. aAccording to patient self-report
  3. bTime (weeks) since initial onset of symptoms suggestive of TB, including persistent cough, fever, weight loss