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

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

Variables	Resistance pattern		AOR (95% CI)	P value
Variables	Resistance	Sensitive	AOR (95% CI)	P value
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

DR TB drug resistant tuberculosis, AOR adjusted odds ratio, CI confidence interval
^aReference category, Hosmer–Lemeshow test = 0.99, Pearson Chi-square = 0.91, classification table = 89.7

ISSN: 1756-0500