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Table 2 Distribution of treatment regimens in the first episodes of 50 TB cases with a recurrence

From: Recurrent tuberculosis in Finland 1995–2013: a clinical and epidemiological cohort study

Treatment group Total in group Intensive phase short Intensive phase adequate Duration of treatment short Duration of treatment adequate
Standard treatment Aa 15 NA 15 1 14
Standard treatment Bb 4 NA 4 2 2
Standard treatment with short intensive phase Cc 3 3 NA 2 1
Standard treatment Dd 14 0 14 1 13
Other probably effective combination of anti-TB drugse 6 NA NA 1 5
Other probably ineffective combination of anti-TB drugsf 6 NA NA NA NA
Not evaluated 2
  1. NA not applicable, H isoniazid, R Rifampicin, Z pyrazinamide, E ethambutol
  2. a HRZ in intensive phase, HR in continuation phase, adequate duration of treatment ≥  5.5 months
  3. b HRE in intensive phase, HR in continuation phase, adequate duration of treatment ≥ 8 months
  4. c Short intensive phase <54 days in standard treatment A or B
  5. d ≥  4 anti-TB drugs, including HRZ (adequate duration of treatment ≥ 5.5 months) or HRE (adequate duration of treatment ≥ 8 months)
  6. e Non-standard combinations guided by drug resistance or due to adverse effects, the adequacy of treatment duration assessed by the study group
  7. f Drug resistance ignored or inappropriate dosing
  8. References [9, 12, 13]