| Univariate Cox models | Full Cox model | Final Cox model | |||
---|---|---|---|---|---|---|
 | HR (95%CI) | P | HR (95%CI) | P | HR (95%CI) | P |
Age (per additional 10 years) | 1.19 (1.13-1.28) | <10-4 | 1.27 (1.19-1.36) | <10-4 | 1.27 (1.18-1.36) | <10-4 |
Females (vs. males) | 0.85 (0.72-1.01) | 0.062 | 0.99 (0.84-1.18) | 0.942 | -- | Â |
BMI (kg/m²) |  |  |  |  |  |  |
   <20 vs. 20.25 | 1.08 (0.79-1.46) | 0.641 | -- |  | -- |  |
   25-30 vs. 20-25 | 0.94 (0.76-1.18) | 0.614 | -- |  | -- |  |
   >30 vs. 20-25 | 0.86 (0.68-1.09) | 0.222 | -- |  | -- |  |
   Unknown vs. 20-25 | 1.34 (1.02-1.76) | 0.034 | -- |  | -- |  |
Co-morbidities | Â | Â | Â | Â | Â | Â |
   Immunosuppression | 1.71 (1.46-2.02) | <10-4 | 1.60 (1.35-1.91) | <10-4 | 1.60 (1.35-1.89) | <10-4 |
   Diabetes mellitus | 1.04 (0.87-1.25) | 0.63 | -- |  | -- |  |
   Cirrhosis | 1.60 (1.26-2.03) | <10-4 | 1.20 (0.93-1.55) | 0.148 | -- |  |
   Chronic heart failure (NYHA III/IV) | 1.48 (1.17-1.86) | 0.001 | 1.25 (0.96-1.63) | 0.095 | -- |  |
Knaus (C/D vs. A/B) | 1.70 (1.45-2.00) | <10-4 | 1.38 (1.15-1.65) | <10-4 | 1.49 (1.26-1.74) | <10-4 |
SOFA | 1.23 (1.20-1.26) | <10-4 | 1.23 (1.20-1.27) | <10-4 | 1.24 (1.21-1.27) | <10-4 |
Site of infection | Â | Â | Â | Â | Â | Â |
   Respiratory tract | 1.00 (0.86-1.18) | 0.952 | -- |  | -- |  |
   Abdominal | 1.02 (0.83-1.26) | 0.831 | -- |  | -- |  |
   Renal/urinary tract | 0.61 (0.47-0.79) | <10-4 | 0.65 (0.49-0.85) | 0.001 | 0.62 (0.48-0.81) | <10-4 |
   Bloodstream | 1.39 (1.11-1.73) | 0.004 | 1.23 (0.97-1.56) | 0.084 | -- |  |
   Other | 1.00 (0.72-1.41) | 0.978 | -- |  | -- |  |
Nosocomial vs. community infection | 1.42 (1.20-1.67) | <10-4 | 1.15 (0.97-1.36) | 0.102 | -- | Â |
Germ identification (yes vs. no) | 0.88 (0.75-1.04) | 0.141 | 0.85 (0.71-1.02) | 0.078 | -- | Â |
Type of admission (surgery vs. medical) | 0.68 (0.53-0.87) | 0.002 | -- | Â | -- | Â |
Origin (transfer vs. home/nursing home) | 1.49 (1.25-1.77) | <10-4 | -- | Â | -- | Â |