| Microorganism | Number of episodes (%) |
| Streptococci viridians, n (%) | 9 (12.0%) |
| Enterococci, n (%) | 2 (2.7%) |
| Staphylococci | |
| MRSA1, n (%) | 9 (12.0%) |
| MSSA2, n (%) | 1 (1.3%) |
| CONS3, n (%) | 2 (2.7%) |
| Gram negative bacilli | |
| Pseudomonas aeruginosa, n (%) | 2 (2.7%) |
| Klebsiella, n (%) | 2 (2.7%) |
| Fungal (CANDIDA), n (%) | 3 (4.0%) |
| Culture negative, n (%) | 45 (60.0%) |