Table 1 Patient’s characteristics at ICU admission
|  | Low-PA group (n = 171) | Moderate-PA group (n = 149) | High-PA group (n = 141) | P value |
|---|---|---|---|---|
Age, median (IQR), years | 66 (57‒74) | 66 (56‒76) | 67 (56‒77) | 0.81 |
Sex, female | 58 (33.9%) | 50 (33.6%) | 54 (38.3%) | 0.64 |
Admission category | Â | Â | Â | 0.15 |
 Medical | 86 (50.3%) | 82 (55%) | 83 (58.9%) |  |
 Elective surgery | 52 (30.4%) | 30 (20.1%) | 34 (24.1%) |  |
 Emergency Surgery | 33 (19.3%) | 37 (24.8%) | 24 (17%) |  |
Main reason for ICU admission | ||||
 Respiratory failure | 47 (27.5%) | 35 (23.5%) | 35 (24.8%) | 0.7 |
 Pneumonia | 28 (16.4%) | 17 (11.4%) | 21 (14.9%) | 0.44 |
 Septic shock | 22 (12.9%) | 15 (10.1%) | 19 (13.5%) | 0.63 |
 Neurological failure | 14 (8.2%) | 17 (11.4%) | 12 (8.5%) | 0.57 |
Severity parameter, median (IQR) | ||||
 APACHE II | 22 (17‒28) | 22 (18‒28) | 22 (19‒28) | 0.57 |
 SOFA | 9 (6‒12) | 10 (7‒12) | 9 (6‒12) | 0.27 |
Main comorbidities | ||||
 Malignant disease | 62 (36.3%) | 53 (35.6%) | 59 (41.8%) | 0.48 |
 Cardiovascular disease | 58 (33.9%) | 47 (31.5%) | 43 (30.1%) | 0.8 |
 Neurologic disease | 54 (31.6%) | 39 (26.2%) | 35 (24.8%) | 0.36 |
 Diabetes mellitus | 36 (21.1%) | 26 (17.5%) | 31 (22%) | 0.59 |
 Respiratory disease | 37 (21.6%) | 17 (11.4%) | 34 (24.1%) | < 0.01 |
 Immunosuppression | 33 (19.3%) | 20 (13.4%) | 30 (21.3%) | 0.19 |
 Charlson comorbidity index, median (IQR) | 6 (4‒8) | 6 (4‒7) | 6 (4‒7) | 0.72 |
Events prior to ICU admission | ||||
 Prior colonization or infection with PA | 39 (22.8%) | 25 (16.9%) | 30 (21.3%) | 0.41 |
 Surgery within 30 days | 91 (53.2%) | 83 (55.7%) | 78 (55.3%) | 0.89 |
 Hospitalization within 1 year | 105 (61.4%) | 86 (57.7%) | 82 (58.2%) | 0.76 |
 Antipseudomonal antibiotic therapy within 3 months | 55 (32.2%) | 47 (31.5%) | 60 (42.6%) | 0.09 |
 Non-antipseudomonal antibiotic therapy within 3 months | 82 (48%) | 75 (50.3%) | 76 (53.9%) | 0.58 |
Laboratory findings, median (IQR) | ||||
 Mean blood glucose during first 24 h (mg/dL) | 137 (113‒165) | 145 (112‒173) | 157 (125‒198) |  < 0.01 |
 Hyperglycemia | 38 (22.2%) | 39 (26.2%) | 60 (42.6%) |  < 0.01 |