| Organisms | Number (%) |
| Gram-positive organisms | 168 (72.4) |
| ・ Coagulase negative Staphylococci | 135 (58.2) |
| ・ Streptococcus spp. | 16 (6.9) (7 enterococci) |
| ・ Stapylococcus aureus | 13 (5.6) (12 MRSA) |
| ・ Micrococci | 1 (0.4) |
| ・ Mixed gram positive cocci | 3 (1.3) |
| Gram-negative organisms | 56 (24.1) |
| ・ Non-fermenters Acinetobacter sp. | 6 (2.6) |
| Pseudomonas sp. | 6 (2.6) |
| Stenotrophomonas maltophilia | 1 (0.4) |
| ・ Enterobacteriacae E. coli | 11 (4.7) |
| Klebsiella spp. | 16 (6.9) |
| Enterobacter spp. | 9 (3.9) |
| Salmonella spp. | 1 (0.4) |
| Citrobacter freundii | 1 (0.4) |
| Achromobacter sp | 3 (1.3) |
| ・ Other GNR Alcaligenis | 2 (0.9) |
| Mixed growth | 8 (3.4) |