Table 1.
Microbial isolates from infected surgical sites in a teaching hospital in Ghana
| Clinical isolates | N | % | Number of isolates with multidrug resistance (%) | Extended spectrum β-lactamase-producing isolates (%) | Meropenem resistant isolatesa (%) | Number of isolates with methicillin resistance (%) |
|---|---|---|---|---|---|---|
| Escherichia coli | 139 | 39.5 | 120 (86%) | 50 (36%) | 1 (1%) | – |
| Pseudomonas spp. | 49 | 13.9 | 17 (35%) | – | 15 (31%) | – |
| Klebsiella pneumonia | 35 | 9.9 | 30 (86%) | 17 (48%) | 0 | – |
| Staphylococcus aureus | 33 | 9.4 | 8 (24%) | – | – | 5 (15%) |
| Acinetobacter baumannii | 23 | 6.5 | 12 (52%) | – | 6 (26%) | – |
| Proteus spp. | 21 | 6.0 | 5 (24%) | 0 | 0 | – |
| Staphylococcus haemolyticus | 15 | 4.3 | 14 (93%) | – | – | 0 |
| Staphylococcus epidermidis | 11 | 3.1 | 10 (91%) | – | – | 0 |
| Enterobacter spp. | 11 | 3.1 | 5 (45%) | 2 (18%) | 0 | – |
| Corynebacterium spp. | 4 | 1.1 | 1 (25%) | – | – | – |
| Candida albicans | 2 | 0.6 | ND | – | – | – |
| Achromobacter spp. | 2 | 0.6 | 1 (50%) | – | 0 | – |
| Stenotrophomonas maltophilia | 2 | 0.6 | 0 | – | 0 | – |
| Providencia stuartii | 2 | 0.6 | 0 | – | 0 | – |
| Staphylococcus lugdunensis | 1 | 0.3 | 0 | – | – | 0 |
| Alcaligenes faecalis | 1 | 0.3 | 1 (100%) | – | – | – |
| Morganella morganii | 1 | 0.3 | 1 (100%) | – | 0 | – |
a Four P. aeruginosa had the vim (Verona integron-encoded metallo-β-lactamase) gene and one A. baumannii produced OXA-23