Table 2 Primary and secondary outcome parameters
In-line microfilter group | Control group | p value | |
|---|---|---|---|
All patients | |||
n | 252 | 252 | |
Primary outcome parameter | |||
Days with SIRS (days) | 2 (0.8–4.7) | 1.8 (0.7–4.4) | 0.62 |
Secondary outcome parameters | |||
Patients with SIRS (n/%) | 251 (99.6) | 244 (96.8) | 0.04* |
SIRS criteria per SIRS day (n) | 2 (2–2) | 2 (2–3) | 0.77 |
New ALI/ARDS (n/%) | 8 (3.2) | 6 (2.4) | 0.77 |
Duration of invasive mechanical ventilation (days) | 0.5 (0.1–2) | 0.8 (0.3–2.7) | 0.14 |
Length of stay in the ICU (days) | 2.3 (1–5.2) | 2 (1–4.7) | 0.53 |
ICU mortality (n/%) | 30 (11.9) | 28 (11.1) | 0.89 |
Post hoc analysis: ICU stay > 7 days | |||
n | 37 | 35 | |
Days with SIRS (days) | 8 (6–16) | 9 (6–17) | 0.76 |
Patients with SIRS (n/%) | 37 (100) | 35 (100) | 1 |
SIRS criteria per SIRS day (n) | 2 (2–3) | 2 (2–3) | 0.89 |
New ALI/ARDS (n/%) | 7 (18.9) | 4 (11.4) | 0.52 |
Duration of invasive mechanical ventilation (days) | 4 (1–10) | 5 (3–9) | 0.89 |
Length of stay in the ICU (days) | 10 (8–17) | 12 (9–19) | 0.64 |
ICU mortality (n/%) | 9 (24.3) | 5 (14.3) | 0.38 |