Patient Characteristics (Criteria from Modified Duke–Li Classification)
| Characteristic | No. of patients |
| Major criteria | |
| Blood culture positive for… | |
| Staphylococcus aureus | 8 |
| Streptococcus | 5 |
| Staphylococcus coagulase negative | 3 |
| Coxiella burnetii | 2 |
| Enterococcus faecalis | 1 |
| Lactobacillus sp | 1 |
| Bartonella henselae | 1 |
| Klebsiella | 1 |
| Escherichia coli | 1 |
| Candida | 1 |
| Transesophageal echocardiography positive for… | |
| Oscillating intracardiac mass | 12 |
| Abscess | 2 |
| New partial dehiscence of prosthetic valve | 2 |
| New valvular regurgitation | 7 |
| Additional echocardiographic aspects | |
| Perivalvular thickening | 12 |
| Pseudoaneurysm | 4 |
| Minor criteria | |
| Predisposing heart condition | 39 |
| Fever, temperature > 38°C | 21 |
| Vascular phenomena | 7 |
| Microbiologic evidence not meeting major criteria | 4 |