Table 1. Comparison of Epidemiological and Clinical Features of Patients with Infective Endocarditis in Turkey and USA/Europe .
| Feature | Turkey | USA/Europe |
| Age, year (mean) | 47 | 61 |
| Male (%) | 60 | 65 |
| Predisposing conditions Acute rheumatic fever (%) | 37 | 1.85 |
| Prosthetic valve (%) | 28 | 10-30 |
| Intravenous drug user (%) | 2 | 24 |
| Cardiac implantable electronic device (%) | 7 | 15 |
| Chronic hemodialysis (%) | 9 | 13 |
| Causative microorganisms Staphylococcus aureus (%) | 21 | 32 |
| Viridans group streptococci | 19 | 18 |
| Coagulase-negative staphylococci | 10 | 11 |
| Enterococcus spp. | 9 | 11 |
| Brucella spp. | 7 | - |
| Blood culture-negative | 37 | 8 |
| Nosocomial endocarditis | 25 | 25 |
| Mortality | 24 | 19 |