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Table 5 Clinical characteristics of three patients with “M. indicus pranii” lung disease

From: Molecular analysis of clinical isolates previously diagnosed as Mycobacterium intracellulare reveals incidental findings of “Mycobacterium indicus pranii” genotypes in human lung infection

  Patient 1 Patient 2 Patient 3
Sex/Age M/27 F/72 M/42
Previous TB treatment Yes No No
Sputum AFB smear Positive Positive Negative
Radiographic type Fibrocavitary Nodular bronchiectatic Nodular bronchiectatic
Cavitary lesion Bilateral Unilateral None
Clarithromycin MIC (μg/mL) 1.0 1.0 ≤0.5
Antibiotic treatment Yes Yes No
Treatment outcomes Death after 5 months of treatment Persistent positive sputum culture after 24 months of treatment Follow-up without treatment
  1. TB tuberculosis, AFB acid-fast bacilli, MIC minimum inhibitory concentration