From: A prospective survey of Pseudomonas aeruginosa colonization and infection in the intensive care unit
All patients (n = 38) | Negative on admission (n = 25) | Positive on admission (n = 13) | P (OR, 95% CI) | |
---|---|---|---|---|
Age mean (range) | 70.3 (15-96) | 65.6 (15-96) | 79.3 (45-94) | 0.0039 |
Age over 70 years | 22 (58%) | 11 (44%) | 11 (84%) | 0.035 (7, 1.2-38.3) |
Sex | ||||
Male | 22 (58) | 16 (64) | 6 (46) | 0.52 |
Female | 16 (42) | 9 (36) | 7 (54) | 0.52 |
LTCF residency | 3 (8) | 0 | 3 (23) | 0.033 (17, 0.8-358) |
APACHE II score, mean (range) | 21.4 (10-42) | 21.0 (10-42) | 22.1 (14-34) | 0.66 |
Days in hospital until ICU admission, mean (range) | 3.7 (0-22) | 3.7 (0-22) | 3.7 (0-11) | 0.98 |
Hospitalization in the last 90 days | 19 (50) | 11 (44) | 8 (61) | 0.49 |
Surgery in the last 30 days | 14 (37) | 8 (32) | 6 (46) | 0.48 |
Antimicrobials in the last 90 days | 17 (45) | 12 (48) | 5 (38) | 0.73 |
Prior PA in last 90 days | 3 (8) | 1 (4) | 2 (15) | 0.26 |
ICU LOS, mean (range) | 15 (3-62) | 10.6 (3-39) | 23.7 (5-62) | 0.0338 |
Hospital LOS, mean (range) | 28 (6-88) | 25 (6-80) | 33.7 (10-88) | 0.14 |
Ventilation days in ICU, mean (range) | 17.3 (0-88) | 12.8 (0-79) | 26 (0-88) | 0.16 |
COPD | 11 (29) | 7 (28) | 4 (31) | 1 |
IHD | 15 (39) | 8 (32) | 7 (54) | 0.29 |
CHF | 14 (37) | 7 (28) | 7 (54) | 0.16 |
Past CVA | 9 (24) | 6 (24) | 3 (23) | 1 |
CRF | 8 (21) | 5 (20) | 3 (23) | 1 |
Immunosuppression | 4 (10) | 4 (16) | 0 | 0.27 |
Dementia | 4 (10) | 1 (4) | 3 (23) | 0.1 |
Active malignancy | 4 (10) | 3 (12) | 1 (7) | 1 |
DM type 2 | 15 (39) | 14 (56) | 1 (7) | 0.005 (0.06, 0.007-0.58) |
Tracheostomy in ICU | 12 (31) | 6 (24) | 6 (46) | 0.27 |
ICU death | 5 (13) | 2 (8) | 3 (23) | 0.31 |
Overall death | 13 (34) | 8 (32) | 5 (38) | 0.7 |