Prevalence and Drug Resistance Patterns of Mycobacterium tuberculosis among New Smear Positive Pulmonary Tuberculosis Patients in Eastern Ethiopia

Table 2

Resistance pattern to primary anti-TB drugs among new smear positive pulmonary TB patients in eastern Ethiopia, 2013 (𝑛=357).

Drug resistance pattern	N (%)	95% CI
Any resistance to one drug	82 (23)	18.58–27.35
Any H	50 (14)	10.39–17.62
Any R	10 (2.8)	1.08–4.52
Any S	41 (11.5)	8.16–14.81
Any E	1 (0.3)
Resistance to only one drug
H only	34 (9.5)	6.64–12.58
R only	6 (1.7)	0.34–3.02
S only	25 (7.0)	4.34–9.66
E only	1 (0.3)
Resistance to only two drugs
H + R only	0
H + S only	12 (3.4)	1.48–5.24
H + E only	0
Resistance to only three drugs
H + R + E only	0
H + R + S only	4 (1.1)	0.02–2.22
H + S + E only	0
Resistance to four drugs
H + R + S + E		0

MDR: multidrug resistant, H: isoniazid, R: rifampicin, S: streptomycin, E: ethambutol.