Characteristics | Total (n = 1009) | Strong Suspicion (n = 679) | Weak Suspicion (n = 330) | p value |
---|---|---|---|---|
Age (years)—mean (SD) | 63.4 (17.5) | 61.5 (16.5) | 67.1 (18.2) | ≤ 0.001f |
Male sex—n (%) | 554 (54.9) | 392 (57.7) | 162 (49.1) | 0.010g |
Clinical condition at ICU admission | ||||
Reduced level of consciousness—n (%) a | 299 (32.6) | 175 (28.8) | 124 (39.9) | ≤ 0.001g |
Need for hemodynamic support—n (%) a | 257 (28) | 165 (27.2) | 92 (29.6) | 0.485g |
Need for invasive ventilatory support—n (%) a | 176 (19.2) | 104 (17.1) | 72 (23.2) | 0.033g |
Severity scores at ICU admission | ||||
APACHE II score—median (IQR) b | 12 (7–18) | 11 (6–17) | 13 (9–18) | ≤ 0.001h |
SOFA score – median (IQR) c | 3 (2–6) | 3 (2–6) | 3 (2–6) | 0.365h |
Severe respiratory disfunction at ICU admission—n (%) d | 468 (46.4) | 318 (46.8) | 150 (45.5) | 0.687g |
Outcome | ||||
Length of ICU stay (days)—median (IQR) | 4.0 (1.9–8.3) | 4.5 (2.2–9.3) | 3.1 (1.3–5.7) | ≤ 0.001h |
Limitation of life-sustaining treatments (no increment or withdrawal)—n (%) e | 66 (6.6) | 43 (6.3) | 23 (7) | 0.685g |
Death—n (%) | 246 (24.4) | 191 (28.1) | 55 (16.7) | ≤ 0.001g |