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Table 1 Prevalence of M. tuberculosis among presumptive TB patients referred to DMRH using Gene Xpert MTB/RIF assay, 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

Characters M. tuberculosis Total N (%) P value
Detected N (%) Not detected N (%)
Age, years
 ≤10 9 (23.7) 29 (76.3) 38 (7.5) 0.017
 11–17 7 (29.2) 17 (70.8) 24 (4.8)  
 18–30 46 (34.3) 88 (65.7) 134 (26.7)  
 31–40 25 (18.7) 109 (81.3) 134 (26.5)  
 41–50 15 (15.1) 82 (84.5) 97 (19.2)  
 51–60 9 (18) 41 (82) 50 (9.9)  
 61–95 6 (21.4) 22 (79.6) 28 (5.5)  
Sex
 Male 74 (27.9) 191 (72.1) 265 (52.4) 0.008
 Female 43 (17.9) 197 (82.1) 240 (47.6)  
Residence
 Urban 57 (20.2) 225 (79.8) 282 (55.7) 0.007
 Rural 60 (26.9) 163 (73.1) 223 (44.3)  
HIV infection
 Positive 30 (16.6) 153 (83.4) 183 (36) 0.008
 Negative 87 (26.9) 235 (73.1) 322 (64)  
Reason for diagnosis
 Presumptive TB 48 (15.1) 269 (84.8) 317 (62.8) <0.001
 Presumptive DR TB 69 (36.7) 119 (63.3) 188 (37.2)  
Treatment history with anti-TB drugs
 Previously treated 41 (31.6) 91 (68.9) 132 (26.2) 0.013
 Previously untreated 76 (20.4) 297 (79.6) 372 (73.8)  
Presumptive DRTB
 New 28 (45.2) 34 (54.8) 62 (32) 0.024
 Relapse 26 (25.7) 75 (74.3) 101 (52.1)  
 Failure 14 (92.3) 12 (7.7) 26 (13.4)  
 Lost to follow-up 0 1 1 (0.5)  
 MDR-contact 1 (25) 3 (75) 4 (2.1)  
Site of presumptive TB
 Pulmonary 64 (19.8) 259 (80.2) 323 (64) 0.013
 Extra-pulmonary 53 (29.1) 129 (70.9) 182 (36)  
Type of specimen
 Respiratory (sputum) 64 (19.8) 259 (80.2) 323 (64) 0.007
 Non-respiratory 53 (29.1) 129 (70.9) 182 (36)  
Type of non-respiratory specimen
 Pus 46 (35.1) 85 (64.9) 131 (26)  
 Peritoneal fluid 2 (11.8) 15 (88.2) 17 (3.4)  
 Lymph node aspirate 1 (7.1) 13 (92.9) 14 (2.8)  
 Pleural fluid 3 (23.1) 10 (76.9) 13 (2.6)  
 Other 1 (14.3) 6 (83.7) 7 (1.2)  
Total 117 (23.2) 388 (76.8%) 505 (100)  
  1. MTB M. tuberculosis, DR TB drug resistant tuberculosis