Table 3 Number of M. tuberculosis colonies for the eight positive cultures on Coletsos medium in both 0.7 % chlorhexidine and NALC-NaOH decontamination
From: Chlorhexidine decontamination of sputum for culturing Mycobacterium tuberculosis
Number of M. tuberculosis colonies detected | ||
|---|---|---|
Specimen | 0.7 % Chlorhexidine | NALC-NaOH |
1 | 8 | 12 |
2 | 47 | 7 |
3 | 52 | 8 |
4 | 83 | 31 |
5 | >100 | 13 |
6 | >100 | 17 (+contamination) |
7 | >100 | 66 |
8 | >100 | >100 |