Table 1. The frequency of microorganisms isolated from patients admitted in ICU of Fatmawati Hospital [n (%)].
| No | Microorganism | Frequency |
| 1 | P. aeruginosa | 66 (26.5) |
| 2 | K. pneumoniae | 38 (15.3) |
| 3 | S. epidermidis | 37 (14.9) |
| 4 | E. aerogenes | 32 (13.3) |
| 5 | K. ozaenae | 21 (8.4) |
| 6 | E. coli | 13 (5.2) |
| 7 | S. liquifaciens | 10 (4.0) |
| 8 | Staphylococcus aureus | 8 (3.2) |
| 9 | Klebsiella spp. | 5 (2.0) |
| 10 | Serratia marcessens | 4 (1.6) |
| 11 | Pseudomonas fluorescens | 3 (1.2) |
| 12 | Enterobacter cloacae | 2 (0.8) |
| 13 | Enterobacter spp. | 2 (0.8) |
| 14 | Streptococcus group A | 1 (0.4) |
| 15 | Pseudomonas putida | 1 (0.4) |
| 16 | Acinetobacter baumannii | 1 (0.4) |
| 17 | Klebsiella terrigena | 1 (0.4) |
| 18 | Proteous mirabilis | 1 (0.4) |
| 19 | Raoutella ornithinolytica | 1 (0.4) |
| 20 | Burkholderia cepacia | 1 (0.4) |
| Total | 249 (100.0) |