Table 1.
Antimicrobial resistance patterns for cohort of hip and knee arthroplasties revised for Staphylococcal infection (n = 258)
| Antibiotic | No. of cases | No. resistant | % resistant |
|---|---|---|---|
| Amikacin | 13 | 2 | 15.4 |
| Amoxycillin/clavulanate | 25 | 10 | 40.0 |
| Ampicillin_amoxycillin | 27 | 26 | 96.3 |
| Ceftriaxone | 5 | 4 | 80.0 |
| Cephalexin | 11 | 4 | 36.4 |
| Chloramphenicol | 103 | 0 | 0.0 |
| *Ciprofloxacin | 231 | 71 | 30.7 |
| Clarithromycin | 56 | 21 | 37.5 |
| *Clindamycin | 163 | 36 | 22.1 |
| Co-trimoxazole | 39 | 7 | 17.9 |
| Daptomycin | 51 | 3 | 5.9 |
| *Erythromycin | 227 | 80 | 35.2 |
| Fosfomycin | 21 | 3 | 14.3 |
| *Fusidic acid | 249 | 83 | 33.3 |
| *Gentamicin | 251 | 74 | 29.5 |
| Imipenem | 5 | 4 | 80.0 |
| Levofloxacin | 16 | 3 | 18.8 |
| Linezolid | 208 | 1 | 0.5 |
| *Methicillin | 253 | 100 | 39.5 |
| Minocycline | 1 | 0 | 0.0 |
| Moxifloxacin | 4 | 0 | 0.0 |
| Mupirocin | 206 | 20 | 9.7 |
| Nitrofurantoin | 29 | 1 | 3.4 |
| *Penicillin | 182 | 155 | 85.2 |
| Rifampicin | 239 | 23 | 9.6 |
| Teicoplanin | 173 | 16 | 9.2 |
| *Tetracycline | 246 | 44 | 17.9 |
| Tigecycline | 66 | 0 | 0.0 |
| Tobramycin | 31 | 12 | 38.7 |
| *Trimethoprim | 180 | 63 | 35.0 |
| Vancomycin | 208 | 3 | 1.4 |
Asterix indicates antibiotics tested in regression analysis (> 10% resistance, > 100 cases)