Prevalence of Tuberculosis, Drug Susceptibility Testing, and Genotyping of Mycobacterial Isolates from Pulmonary Tuberculosis Patients in Dessie, Ethiopia

Table 1

Number of drug susceptible or resistant isolates in new and retreatment TB patients.

Drug(s)	New cases		Retreatment cases
	Susceptible	Resistant	Susceptible	Resistant
INH	91	5 (0 : 5)	11	1
RMP	103	0	13	0
STM	93	3 (0 : 3)	14	0
EMB	101	2 (0 : 2)	14	0
INH + RMP	91	0	11	1
INH + STM	88	7 (1 : 6)	11	0
INH + EMB	89	0	11	1
INH + RMP + STM	88	0	11	1
INH + RMP + EMB	89	0	11	0
INH + RMP + STM + EMB	86	0	11	0

Ratio of HIV⁺ to HIV⁻ patients that exhibited the drug resistance. All resistant retreatment cases except the INH-EMB resistant were HIV⁻.