TABLE 6.
Detection of extended-spectrum beta-lactamase genes among phenotypically confirmed extended-spectrum beta-lactamase producing isolates from tertiary healthcare facilities in Osun state, Nigeria, July 2016 to April 2017.
| Isolates with phenotypically confirmed ESBL (N) | Isolates with ≥ 1 ESBL genes | Prevalence of ESBL genes |
||||||
|---|---|---|---|---|---|---|---|---|
| CTX-M |
TEM |
SHV |
||||||
| n | % | n | % | n | % | n | % | |
| Escherichia coli (10) | 7 | 70.0 | 5 | 50.0 | 4 | 40.0 | 1 | 10.0 |
| Klebsiella spp. (10) | 8 | 80.0 | 7 | 70.0 | 6 | 60.0 | 3 | 30.0 |
| Citrobacter spp. (10) | 9 | 90.0 | 7 | 70.0 | 5 | 50.0 | 1 | 10.0 |
| Enterobacter spp. (6) | 6 | 100.0 | 6 | 100.0 | 5 | 83.3 | 2 | 33.3 |
| Morganella morganii (2) | 2 | 100.0 | 2 | 100.0 | 2 | 100.0 | 0 | 0.0 |
| Proteus mirabilis (2) | 2 | 100.0 | 1 | 50.0 | 2 | 100.0 | 0 | 0.0 |
| Hafnia alvei (1) | 1 | 100.0 | 1 | 100.0 | 1 | 100.0 | 1 | 100.0 |
| Stenotrophomonas maltophilia (1) | 1 | 100.0 | 1 | 100.0 | 1 | 100.0 | 0 | 0.0 |
| Providencia alcalifaciens (1) | 1 | 100.0 | 0 | 0.0 | 1 | 100.0 | 0 | 0.0 |
| Total (43) | 37 | 86.0 | 30 | 69.8 | 27 | 62.8 | 8 | 18.6 |
ESBL, extended-spectrum β-lactamase.