Table 2– Susceptibility and resistance to anti-tuberculosis (TB) drugs in 17 multidrug-resistant patients
ResistanceSusceptibilityIntermediate susceptibility
Group 1: first-line oral agents
 Isoniazid17 (100)
 Ethambutol14 (82.4)2 (11.8)1 (5.9)
 Rifampicin17 (100)
 Pyrazinamide9 (53)8 (47)
 Rifabutin13 (76.5)3 (17.6)1 (5.9)
Group 2: injectable anti-TB medication
 Amikacin7 (41.2)10 (58.8)
 Kanamycin2 (11.8)4 (23.5)
 Streptomycin15 (88.2)2 (11.8)
 Capreomycin5 (29.4)10 (58.8)
Group 3: fluoroquinolones
 Ofloxacin1 (5.9)
 Moxifloxacin3 (17.6)13 (76.5)1 (5.9)
 Ciprofloxacin4 (23.5)12 (70.6)
Group 4: other bacteriostatic second-line agents
 Protionamide4 (23.5)12 (70.6)
 Cycloserine1 (5.9)7 (41.2)
Group 5: anti-TB drugs with unclear efficacy
 Linezolid13 (76.5)3 (17.6)
 Clofazimine11 (64.7)
 Clarithromycin2 (11.8)5 (29.4)
 Augmentin9 (53)4 (23.5)
 Imipenem2 (11.8)
Others
 Co-trimoxazole4 (23.5)13 (76.5)
 Ertapenem7 (41.2)
 Tigecycline7 (41.2)1 (5.9)
 Meropenem1 (5.9)
  • Data are presented as n (%).