Table 2.

Patients’ characteristic

Number of patients	53
Age (years)
• Range	22–84
• Mean/standard deviation	58.3 ± 12.5
Sex
• Men	42 (79%)
• Women	11 (21%)
Valves affected	71
Aortic valves affected	33/71 (47%)
• Native valve	25/33
• Artificial valve	8/33
Mechanical valve	5/8
Biological valve	3/8
Mitral valves affected	30/71 (42%)
• Native valve	25/30
• Mechanical valve	5/30
Native tricuspid valve affected	6/71 (8%)
Native pulmonary valve affected	2/71 (3%)
Subvalvar localization	3
• Ventricular septal defect
Etiology
• Streptococci	15/53 (28%)
• Staphylococci	14/53 (26%)
• Enterococcus faecalis	10/53 (19%)
• Pseudomonas stutzeri	1/53 (2%)
• Corynebacterium	1/53. (2%)
• Cardiobacterium	1/53 (2%)
• Haemophilus influenzae	1/53 (2%)
• Negative blood culture	10/53 (19%)