Table 6.
Trends in the antibiotic resistance of frequently cultured bacteria over time.
| Organism Antibiotic Resistance |
2007–2008 (n = 223 Strains) n (%) |
2012–2013 (n = 211 Strains) n (%) |
2017–2018 (n = 216 Strains) n (%) |
p-Value |
|---|---|---|---|---|
| Streptococcus species | ||||
| Amoxicillin/clavulanate | 0 (0.0%) | 0 (0.0%) | 2 (0.9%) | 0.082 |
| Macrolide a | 8 (3.6%) | 10 (4.7%) | 13 (6.0%) | 0.233 |
| Staphylococcus aureus | ||||
| Methicillin | 2 (0.9%) | 1 (0.5%) | 2 (0.9%) | 0.977 |
| Haemophilus species | ||||
| Ampicillin | 8 (34.8%) | 1 (0.5%) | 10 (4.6%) | 0.532 |
| Klebsiella species | ||||
| ESBL | 1 (0.4%) | 1 (0.5%) | 16 (7.4%) | <0.001 |
| Ciprofloxacin | 1 (0.4%) | 0 (0.0%) | 0 (0.0%) | 0.229 |
| Enterobacter species | ||||
| ESBL | 0 (0.0%) | 6 (2.8%) | 8 (3.7%) | 0.007 |
| Ciprofloxacin | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | N/A |
| Pseudomonas aeruginosa | ||||
| ESBL | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | N/A |
| Ciprofloxacin | 0 (0.0%) | 0 (0.0%) | 2 (0.9%) | 0.082 |
N/A, not available; ESBL, extended-spectrum beta-lactamase; a Macrolide includes azithromycin, erythromycin, and clarithromycin.