Table 1.
Bacteriological diversity and distribution of ICU pathogens (n = 570).
| Category | Number (n) | Percentage (%) | |
|---|---|---|---|
| Gram-negative bacteria [437 (76.7%)] | K. pneumoniae | 120 | 21.0 |
| P. aeruginosa | 67 | 11.8 | |
| P. mirabilis | 66 | 11.6 | |
| E. coli | 63 | 11.0 | |
| A. baumannii | 39 | 6.8 | |
| E. aerogenes | 16 | 2.8 | |
| Providencia stuartii | 15 | 2.6 | |
| S. marcescens | 15 | 2.6 | |
| Others | 36 | 6.3 | |
| Gram-positive bacteria [133 (23.3%)] | Staphylococcus aureus | 75 | 13.2 |
| Enterococcus faecalis | 12 | 2.1 | |
| Streptococcus spp. | 19 | 3.3 | |
| Staphylococcus capitis | 5 | 0.9 | |
| Staphylococcus haemolyticus | 4 | 0.7 | |
| Staphylococcus epidermidis | 3 | 0.5 | |
| Others | 15 | 2.6 | |
| Gender | Males | 313 | 55.0 |
| Females | 257 | 45.0 | |
| Quarter | Quarter 1 | 250 | 43.9 |
| Quarter 2 | 136 | 23.9 | |
| Quarter 3 | 76 | 13.3 | |
| Quarter 4 | 108 | 19.0 | |
| Age (in years) | >75 | 199 | 35.0 |
| 61–75 | 118 | 20.7 | |
| 46–60 | 92 | 16.1 | |
| 31–45 | 52 | 9.1 | |
| 16–30 | 69 | 12.1 | |
| ≤15 | 40 | 7.0 | |
| Type of specimen | Blood | 164 | 28.8 |
| Urine | 134 | 23.5 | |
| Wound swab | 94 | 16.5 | |
| Sputum | 75 | 13.2 | |
| Nasal swab | 54 | 9.5 | |
| Tracheal wash | 23 | 4.0 | |
| Conjunctival swab | 18 | 3.2 | |
| Others | 8 | 1.4 | |