Table 4.
Univariable | Multivariable | |||||
Variable | HR | 95% CI | P value | HR | 95% CI | P value |
Age (per year increase) | 0.99 | 0.99–1.00 | 0.037 | 0.99 | 0.99–1.00 | 0.053 |
Gender (male vs. female) | 1.032 | 0.85–1.26 | 0.75 | 1.01 | 0.83–1.24 | 0.90 |
Severe sepsis/septic shock (vs. milder or no infection) | 0.58 | 0.47–0.72 | <10–4 | 0.72 | 0.57–0.91 | 0.006 |
Surgical origin (yes vs. no) | 1.050 | 0.85–1.30 | 0.66 | 1.03 | 0.82–1.30 | 0.79 |
Acute thrombosis* (yes vs. no) | 1.24 | 0.75–2.047 | 0.40 | 1.13 | 0.68–1.89 | 0.63 |
Chronic inflammatory disease† (yes vs. no) | 0.73 | 0.45–1.21 | 0.22 | 0.84 | 0.50–1.49 | 0.49 |
PCT >1 μg/L (vs. PCT <1 μg/L) | 0.56 | 0.45–0.69 | <10–4 | 0.67 | 0.53–0.84 | 0.0008 |
PaO2/FiO2 Q1 (vs. Q2–Q4) | 0.77 | 0.62–0.96 | 0.021 | 0.87 | 0.69–1.09 | 0.22 |
SPD (≥85th percentile vs. SPD <85th percentile) | 0.77 | 0.61–0.98 | 0.032 | 0.73 | 0.56–0.94 | 0.014 |
COPD (yes/no) | 0.90 | 0.69–1.17 | 0.43 | 0.79 | 0.60–1.04 | 0.094 |
Apache II score (<25 vs. ≥25) | 0.64 | 0.51–0.81 | 0.0002 | 0.76 | 0.60–0.97 | 0.028 |
Gelsolin Q1 (vs. Q2–Q4) | 0.63 | 0.50–0.81 | 0.0002 | 0.69 | 0.54–0.89 | 0.0045 |
Significant results (P < 0.05) are marked with bold font.
*Acute myocardial infarction, pulmonary embolism, cerebral infarction, mesenteric embolism, and medulla spinalis infarction.
†Rheumatoid arthritis, Sjögren syndrome, fibromyalgia, spondylosis, hepatic cirrhosis, systemic lupus erythematosus, vasculitis, and chronic glomerulonephritis.
COPD indicates chronic obstructive pulmonary disease; PCT, procalcitonin; Q1, lower quartile; Q2–Q4, upper 3 quartiles; SPD, surfactant protein D.