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Table 2 Yield of mycobacteria and contaminants in 75 sputum samples, decontaminated by 0.7 %-chlorhexidine or NALC-NaOH

From: Chlorhexidine decontamination of sputum for culturing Mycobacterium tuberculosis

   NALC-NaOH  
   Positive M. tuberculosis Positive other mycobacteria Contaminated/Positive Contaminated/Negative Negative Total
Chlorhexidine-0.7 % Positive M. tuberculosis 7 0 1 2 2 12
Positive other mycobacteria 0 0 0 0 2 2
Contaminated/Positive 0 0 0 0 0 0
Contaminated/Negative 0 0 0 0 0 0
Negative 0 0 0 3 58 61
  Total 7 0 1 5 62 75