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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