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Table 2 Prevalence of rifampicin-resistant M. tuberculosis in each variable among the total M. tuberculosis cases using Gene Xpert MTB/RIF assay, 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 P value
Resistance N (%) Sensitive N (%)
Age, years
 ≤10 2 (22.2) 7 (77.8) 0.02
 11–17 1(14.3) 6 (83.6)  
 18–30 3 (6.7) 43 (93.3)  
 31–40 0 25 (100)  
 41–50 5 (33.3) 10 (66.7)  
 51–60 0 9 (100)  
 61–92 1 (16.7) 5 (83.3)  
Sex
 Male 8 (11.3) 64 (88.7) 0.77
 Female 4 (8.9) 41 (91.1)  
Residence
 Urban 5 (17.9) 53 (91.2) 0.76
 Rural 7 (11.9) 52 (88.1)  
HIV infection
 Positive 5 (17.9) 24 (82.1) 0.17
 Negative 7 (8) 81 (92)  
Reason for diagnosis
 Presumptive TB 3 (5.9) 49 (94.1) 0.22
 Presumptive DR TB 9 (13.8) 56 (86.2)  
Treatment history with anti-TB drugs
 Previously treated 7 (17.1) 34 (82.9) 0.11
 Previously untreated 5 (6.7) 71 (93.3)  
Presumptive DR TB
 New 3 (10.7) 25 (89.3) 0.87
 Relapse 5 (19.2) 21 (80.8)  
 Failure 2 (14.3) 12 (91.7)  
 MDR-contact 0 1  
Site of presumptive TB
 Pulmonary 6 (9.4) 58 (90.6) 0.77
 Extra pulmonary 6 (11.3) 47 (88.7)  
Specimen type
 Respiratory (sputum) 6 (9.5) 58 (90.6) 0.67
 Non-respiratory 6 (11.3) 47 (88.7)  
Type of non-respiratory specimen
 Pus 4 (8.5) 43 (91.5)  
 Peritoneal fluid 0 2  
 Lymph node aspirate 0 1  
 Pleural fluid 2 1  
Total 12 (10.3) 105 (89.7)  
  1. RIF rifampicin resistant, MTB M. tuberculosis, DR TB drug resistant tuberculosis