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Table 3 First line anti-tuberculosis drug resistance stratified by previous treatment history

From: Prevalence of multidrug resistance in Mycobacterium tuberculosis isolates from HIV seropositive and seronegative patients with pulmonary tuberculosis in north India

  Previously treated cases
Total Relapse Treatment failure Return after default Unknown
N N N N N
Total patients with DST 98 21 39 13 25
I Any resistance to H 46 9 22 4 11
III H + R 6 2 4 0 0
  H + R + E 7 0 6 1 0
  H + R + S 5 0 4 1 0
  H + R + E + S 9 3 6 0 0
Total MDR among previously treated cases 27 5 20 2 0