Table 3.
Distribution and prevalence of non-tuberculous mycobacteria (NTM) and non-mycobacteria (NM) in each studied country.
| Isolates/country | Nigeria | Cameroon | Ghana | Total |
|---|---|---|---|---|
| MTBC |
M. tuberculosis (n=6) M. africanum (n=1) |
M. tuberculosis (n=4) |
M. tuberculosis (n=23) M. africanum (n=1) |
35 |
| NTM |
M. engbaekii (n=1) M. intracellulare (n=1) |
M. colombiense (n=1) M. peregrinum (n=1) |
M. avium (n=1) M. engbaekii (n=1) M. fortuitum (n=5) M. gordonae (n=1) M. intracellulare (n=1) M. paraense (n=1) |
14 |
| NM |
Nocardia veterana (n=1)a Streptomyces sp. (n=1)a |
2 | ||
| Total | 9 | 6 | 36 | 51 |
| Overall prevalence (NTM/NM) | 2/202 (1%) | 2/158 (1.3%) | 12/143 (8.4%) | 16/503 (3.2%) |
MTBC, Mycobacterium tuberculosis complex.
a
Both included in the prevalence calculation of NTM and further analysis.