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Table 2 Drug resistance proportion to first-line anti-tuberculosis drugs from 329 patients with available DST results versus history of treatment

From: Surveillance of drug resistance tuberculosis based on reference laboratory data in Ethiopia

DST Results

New patients

(n = 187)

Frequency (%*)

Previously treated patients

(n = 131)

Frequency (%*)

Unknown patient treatment history

(n = 11)

Frequency (%*)

Total

(n = 329)

Frequency (%*)

Susceptible

149 (45.3%)

5 (1.5%)

8 (2.4%)

251 (76.3%)

Mono resistance

 INH

14 (4.3)

  

19 (5.8%)

 RIF

10 (3.1%)

11 (3.3%)

1 (0.3%)

22 (6.7%)

MDR

14 (4.3%)

22 (6.7%)

2 (0.6%)

38 (11.6%)

  1. %* = F× 100/n, DST Drug susceptibility testing, RIF Rifampicin, INH Isoniazid, MDR Multiple drug resistance