Table 3 Multivariable Cox Proportional Hazards Models
| Â | Outcome = In-hospital Mortality | Outcome = Length of Stay |
|---|---|---|
Variable | Hazard Ratio (95% CI) | Hazard Ratio (95% CI) |
All Bacteremias (N = 416) | Â | Â |
Appropriate Antibiotics -8 to 24 hours | 1.03 (0.60 to 1.78) | 1.11 (0.86 to 1.44) |
Age (per year) | 1.02 (1.01 to 1.04) | NS |
Male Sex | -- | NS |
Central line at time of culture | -- | 0.67 (0.54 to 0.85) |
Time at risk†(per day) | NS | 0.66 (0.52 to 0.83) |
APS 24 hours before culture | 1.06 (1.05 to 1.08) | 0.99 (0.97 to 0.99) |
Polymicrobial bacteremia | NS | -- |
E. coli Bacteremia (N = 225) | Â | Â |
Appropriate Antibiotics -8 to 24 hours | 1.11 (0.52 to 2.34) | 1.04 (0.72 to 1.51) |
Central line at time of culture | NS | NS |
Time at risk†| NS | 0.66 (0.47 to 0.91) |
APS 24 hours before culture | 1.06 (1.04 to 1.08) | 0.98 (0.97 to 1.00) |
Polymicrobial bacteremia | NS | -- |
Klebsiella Bacteremia (N = 203) | Â | Â |
Appropriate Antibiotics -8 to 24 hours | 0.84 (0.42 to 1.70) | 1.21 (0.84 to 1.73) |
Age | 1.03 (1.01 to 1.06) | -- |
Time at risk†| -- | 0.65 (0.47 to 0.90) |
Central line at time of culture | -- | 0.62 (0.44 to 0.86) |
APS 24 hours before culture | 1.06 (1.03 to 1.09) | 0.98 (0.97 to 1.00) |