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Table 1 Baseline characteristics of 39 patients with isoniazid-resistant pulmonary tuberculosis

From: Treatment of isoniazid-resistant pulmonary tuberculosis

Patient characteristics Treatment Success (n = 36) Treatment failure (n = 3)
Sex Male 24 (67%) 2 (67%)
  Female 12 (33%) 1 (33%)
Median age in years (range) 41 (24–71) 55 (55–72)
Comorbidity Diabetes mellitus 2 2
  Malignancy 4 0
  Chronic liver disease 2 1
  Chronic pulmonary disease 2 1
  Others 5 0
Smear-positive   20 (56%) 3 (100%)
Type of resistance Isoniazid 31 (86%) 3 (100%)
  Isoniazid and streptomycin 5 (14%) 0
History of treatment New 23 (64%) 2 (67%)
  Relapse 10 (28%) 1 (33%)
  Treatment after default 3 (8%) 0
Radiographic findings Cavitary lesion 13 (36%) 2 (67%)
  Bilateral lesion 15 (42%) 2 (67%)
  Extensive lesion 6 (17%) 2 (67%)