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Table 2 Frequency of first and second-line drug resistance of MDR-TB in HCMC, 2011–2015

From: Risk factors for poor treatment outcomes of 2266 multidrug-resistant tuberculosis cases in Ho Chi Minh City: a retrospective study

Drug resistancen/ total tested (%)
Patients with DST resulta490
First line drugs
 Pyrazinamide210/382 (55.0%)
 Ethambutol298/472 (63.1%)
 Streptomycin438/455 (96.3%)
Second-line drugs
 Fluoroquinolonesb48/378 (12.7%)
 Any injectable agentsc31/384 (8.1%)
 All injectable agents9/115 (7.8%)
 Cycloserine2/240 (0.8%)
 Ethionamide/Prothionamide21/223 (9.4%)
  1. a A total of 502 DST of 490 patients were retrievable
  2. b fluoroquinolones include moxifloxacin, levofloxacin, ofloxacin
  3. c injectable agents include kanamycin, amikacin and capreomycin