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Table 2 Patterns of resistance to first-line anti-tuberculosis drugs

From: Tuberculosis drug resistance in Bamako, Mali, from 2006 to 2014

Type of resistance

New patients

(n = 236)

n (%)

Previously treated patients

(n = 101)

n (%)

Susceptible to all drugs

193 (81.8)

17 (16.8)

Any resistance

 S

25 (10.6)

68 (67.3)

 I

25 (10.6)

76 (75.2)

 R

10 (4.2)

69 (68.3)

 E

7 (3.0)

52 (51.5)

Monoresistance

 S

13 (5.6)

3 (3.0)

 I

10 (4.2)

2 (2.0)

 R

1 (0.4)

1 (1.0)

 E

0 (0)

1 (1.0)

 Total

24 (10.2)

7 (6.9)

I + R resistant (MDR-TB)

 SIR

0 (0)

5 (5.0)

 IR

3 (1.3)

7 (6.9)

 IRE

1 (0.4)

4 (4.0)

 SIRE

4 (1.7)

51 (50.5)

 Total

8 (3.4)

67 (66.3)

Other resistancea

 SI

8 (3.4)

8 (7.9)

 SIE

1(0.4)

2 (2.0)

 SR

0 (0)

1 (1.0)

 SRE

1 (0.4)

0 (0)

 Total

10 (4.2)

11 (10.9)

  1. S streptomycin, I isoniazid, R rifampicin, E ethambutol, MDR multidrug-resistant, TB tuberculosis
  2. aDefined as resistance to more than one drug, except for multidrug resistance