Table 6– Multivariate analyses of mortality and length of stay (LOS) with combinations of processes of care adjusted by hospital and pneumonia severity index
In-hospital mortalityMortality at 30 daysLOS
OR (95% CI)p-valueOR (95% CI)p-valueOR (95% CI)p-value
All population
 Abx0.61 (0.44–0.85)0.0040.63 (0.47–0.85)0.0030.76 (0.66–0.87)0.001
 Abx plus timing0.61 (0.44–0.84)0.0030.67 (0.50–0.89)0.0070.80 (0.71–0.91)0.001
 Abx plus timing plus oxygen0.64 (0.46–0.89)0.0090.70 (0.52–0.94)0.020.79 (0.70–0.90)0.001
Nonsevere sepsis
 Abx0.33 (0.16–0.65)0.0010.27 (0.15–0.49)<0.0010.76 (0.59–0.97)0.03
 Abx plus timing0.47 (0.23–0.95)0.030.44 (0.24–0.82)0.0090.73 (0.58–0.92)0.007
 Abx plus timing plus oxygen0.54 (0.26–1.1)0.090.52 (0.28–0.96)0.030.64 (0.51–0.81)0.001
Severe sepsis
 Abx0.75 (0.49–1.13)0.20.86 (0.59–1.28)0.40.82 (0.66–1.03)0.08
 Abx plus timing0.60 (0.40–0.91)0.010.69 (0.48–1.015)0.060.94 (0.77–1.16)0.6
 Abx plus timing plus oxygen0.62 (0.41–0.92)0.020.70 (0.48–1.03)0.070.91 (0.74–1.12)0.3
  • Abx: antibiotic adherence to guidelines; Timing: first antibiotic dose <6 h.