TABLE 1.
Descriptive statistics for the MDR P. aeruginosa retrospective study sample
| Characteristic | Valuea |
|---|---|
| Mean age, yr (SD) | 60.5 (18.9) |
| Sex (male) | 215 (61.2) |
| Resided in a health care institution for >72 h in 6 mo prior to admission | 154 (43.9) |
| Median LOS prior to onset, days (range) | 24 (0-178) |
| ICU at onset | 287 (81.8) |
| Median ICU LOS prior to onset, days (range) | 16 (0-177) |
| Mechanical ventilation at onset | 281 (80.1) |
| APACHE-II score at culture collection (SD) | 15.3 (7.1) |
| Congestive heart failure | 73 (20.8) |
| Diabetes mellitus | 98 (27.9) |
| Chronic obstructive pulmonary disease | 118 (33.6) |
| Hepatic dysfunction | 20 (5.7) |
| Dialysis | 44 (12.5) |
| Decubitus ulcers | 72 (20.5) |
a
All data are presented as number (percentage) unless otherwise indicated.