Table 4 Risk factors for ICU mortality by univariate analysis
From: Intensive care unit-acquired Stenotrophomonas maltophilia: incidence, risk factors, and outcome
Survivors (n = 60) | Non-survivors (n = 54) | p value | |
|---|---|---|---|
At ICU admission | |||
Age, years | 58 ± 19 | 66 ± 13 | 0.025 |
SAPS II | 31 ± 16 | 32 ± 14 | 0.613 |
Male gender | 36 (60) | 38 (70) | 0.168 |
Transfer to the ICU from a ward | 47 (78) | 49 (91) | 0.058 |
Surgery | 10 (17) | 17 (31) | 0.051 |
Diabetes mellitus | 5 (8) | 6 (11) | 0.426 |
COPD | 19 (32) | 22 (41) | 0.208 |
Cystic fibrosis | 3 (5) | 2 (4) | 0.550 |
Prior antibiotic treatment | 19 (32) | 29 (54) | 0.014a |
Organ failure | |||
Respiratory | 42 (70) | 49 (91) | 0.017b |
Cardiac | 1 (2) | 20 (37) | <0.001c |
Renal | 8 (13) | 17 (31) | 0.024d |
Neurologic | 17 (28) | 13 (24) | 0.320 |
Digestive | 5 (8) | 4 (7) | 0.534 |
During ICU hospitalization | |||
Central venous catheter | 55 (92) | 49 (91) | 0.560 |
Urinary catheter | 51 (85) | 47 (87) | 0.484 |
Tracheostomy | 9 (15) | 7 (13) | 0.484 |
Mechanical ventilation | 43 (72) | 46 (85) | 0.064 |
Duration of mechanical ventilation, days | 10 ± 14 | 15 ± 17 | 0.058 |
Duration of ICU stay, days | 17 ± 19 | 21 ± 23 | 0.571 |
ICU-acquired Stenotrophomonas maltophilia | 15 (25) | 23 (43) | 0.037e |
ICU-acquired infection related to S. maltophilia | 9 (15) | 21 (39) | 0.004f |