Table 1 Epidemiological and treatment-related data of the patients (infection, matched-pair) included in the study
Criteria | Specification | Infection total | Follow-up | Matched-pair | |||
|---|---|---|---|---|---|---|---|
Total number of patients | Infection [n] | 39 | 21 | 21 | |||
Age | Total [year ± SD] | 46 ± 17 | 43 ± 13 | 39 ± 16 | |||
Gender | Male [n] | 20 | 51% | 13 | 62% | 13 | 62% |
Female [n] | 19 | 49% | 8 | 38% | 8 | 38% | |
Initial treatment | Primary [n] | 21 | 54% | 9 | 43% | 21 | 100% |
Secondary [n] | 18 | 46% | 12 | 57% | 0 | 0% | |
Diagnosis | Weber B [n] | 15 | 38% | 8 | 38% | 8 | 38% |
Weber C [n] | 13 | 33% | 5 | 24% | 5 | 24% | |
Bimalleolar fracture, Weber B [n] | 4 | 10% | 3 | 14% | 3 | 14% | |
Bimalleolar fracture, Weber C [n] | 3 | 8% | 2 | 9.5% | 2 | 9.5% | |
Weber B and Volkmann [n] | 3 | 8% | 2 | 9.5% | 2 | 9.5% | |
Medial malleolus fracture [n] | 1 | 3% | 1 | 5% | 1 | 5% | |
Microbiology | Staphylococcus aureus [n] | 30 | 77% | 19 | 90% | ||
Staphylococcus epidermidis [n] | 3 | 8% | 1 | 5% | |||
Beta-hemolyzing Streptococcus group A [n] | 2 | 5% | 1 | 5% | |||
Enterococcus faecalis [n] | 1 | 2.5% | 0 | 0% | |||
Pseudomonas aeruginosa [n] | 2 | 5% | 0 | 0% | |||
Providencia rettgeri [n] | 1 | 2.5% | 0 | 0% | |||
Risk factors | Cardiovasc. disease [n] | 11 | 28% | 5 | 24% | 2 | 10% |
Smoker [n] | 6 | 15% | 4 | 19% | 1 | 5% | |
Diabetes [n] | 7 | 18% | 4 | 19% | 0 | 0% | |
Thyroid disease [n] | 5 | 13% | 4 | 19% | 1 | 5% | |
Others [n] | 12 | 31% | 7 | 33% | 3 | 10% | |
No risk factors | 20 | 51% | 10 | 48% | 15 | 71% | |
Total per patient [n ± SD] | 1.05 ± 0.2 | 1.1 ± 0.1 | 0.33 ± 0.1* | ||||
Implant removal | Yes | 38 | 97% | 21 | 100% | 16 | 76% |
No | 1 | 3% | 0 | 0% | 5 | 24% | |