Table 2.
Distribution of Gram-negative bacteria isolated from ICU clinical specimens (n = 437).
| Category | Number (n) | Percentage (%) | |
|---|---|---|---|
| Gender | Males | 221 | 50.6 |
| Females | 216 | 49.4 | |
| Name of the Gram-negative Bacteria | K. pneumoniae | 120 | 27.5 |
| P. aeruginosa | 67 | 15.3 | |
| P. mirabilis | 66 | 15.1 | |
| E. coli | 63 | 14.4 | |
| A. baumannii | 39 | 8.9 | |
| E. aerogenes | 16 | 3.7 | |
| Providencia stuartii | 15 | 3.4 | |
| S. marcescens | 15 | 3.4 | |
| Others | 36 | 8.2 | |
| Quarter | Quarter 1 | 207 | 47.4 |
| Quarter 2 | 108 | 24.7 | |
| Quarter 3 | 48 | 11.0 | |
| Quarter 4 | 74 | 16.9 | |
| Age (in years) | >75 | 141 | 32.3 |
| 61–75 | 95 | 21.7 | |
| 46–60 | 78 | 17.8 | |
| 31–45 | 38 | 8.7 | |
| 16–30 | 58 | 13.3 | |
| ≤15 | 27 | 6.2 | |
| Type of specimen | Urine | 131 | 30.0 |
| Blood | 112 | 25.6 | |
| Wound swab | 86 | 19.7 | |
| Sputum | 65 | 14.9 | |
| Tracheal wash | 20 | 4.6 | |
| Conjunctival swab | 17 | 3.9 | |
| Others | 6 | 1.4 | |