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Table 4 Multivariate analysis showing the associated predictors of rifampicin resistant M. tuberculosis in DMRH, 2015

From: Rifampicin-resistance pattern of Mycobacterium tuberculosis and associated factors among presumptive tuberculosis patients referred to Debre Markos Referral Hospital, Ethiopia: a cross-sectional study

Variables Resistance pattern AOR (95% CI) P value
Resistance Sensitive
Age, years
 0–10 2 7 2.3 (0.15–37.67) 0.55
 11–17 1 6 1.84 (0.08–44.6) 0.71
 18–30 3 43 0.55 (0.04–6.80) 0.64
 31–40 0 25   
 41–50 5 10 4.3 (0.34–54.99) 0.23
 51–60 0 9   
 61–92 1 5   a
HIV infection
 Positive 5 24 3.2 (0.69–14.96) 0.14
 Negative 7 81   a
Reason for examination
 Presumptive TB 3 49   a
 Presumptive DR TB 9 56 0.41 (10.04–4.21) 0.45
Treatment history with anti-TB drugs
 Previously treated 7 34 4.16 (1.04–16.63) 0.04
 Previously untreated 5 71   a
  1. DR TB drug resistant tuberculosis, AOR adjusted odds ratio, CI confidence interval
  2. aReference category, Hosmer–Lemeshow test = 0.99, Pearson Chi-square = 0.91, classification table = 89.7