Table 1.
Variables | Study population (n = 325) |
---|---|
Patient characteristics | |
Sex (male) | 186 (57%) |
Age (years) | 63 (52–72) |
Chronic obstructive pulmonary disease | 45 (14%) |
Diabetes mellitus | 65 (20%) |
Solid or hematologic malignancy | 84 (26%) |
Chronic renal insufficiency | 46 (14%) |
Charlson comorbidity index | 1 (0–2) |
Immune deficiency | 57 (18%) |
Admission characteristics | |
Recent surgery | 62 (19%) |
Prior ICU admission | 55 (17%) |
APACHE-IV score | 85 (68–109) |
C-reactive protein (mg/L)a | 212 (95–305) |
White blood cell count (109/L)a | 16 (10–21) |
Septic shock | 164 (50%) |
SOFA-score on day 1 | 9 (7–11) |
Length of stay in ICU | 5 (3–13) |
Mortality after 30 days | 107 (33%) |
Infection characteristics | |
Community-acquired onset | 188 (58%) |
Presumed source: | |
- Lower respiratory tract | 152 (47%) |
- Abdomen | 79 (24%) |
- Urinary tract | 24 (7%) |
- Other | 61 (19%) |
- Unknown | 9 (3%) |
Post hoc plausibility of infection:b | |
- Definite | 127 (39%) |
- Probable | 83 (26%) |
- Uncertain | 88 (27%) |
- Ruled out | 27 (8%) |
APACHE Acute Physiology And Chronic Health Evaluation, ICU intensive care unit, LOS length of stay, SOFA Sequential Organ Failure Assessment. Data are presented as frequencies (%) or medians (Q1–Q3)
aMissing data: C-reactive protein n = 106 (33%), and white blood cell count n = 3 (2%)
bBased on post hoc assessment of plausibility of infection by trained physicians based on all clinical information as described elsewhere [11]