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Table 3 Univariate and multivariate analyses of in-hospital mortality by year of admission in Catalonia (2008–2012)

From: Epidemiology of sepsis in Catalonia: analysis of incidence and outcomes in a European setting

  Univariate analysis Multivariate analysis
N % mortality p OR 95% CI for OR p
All patients N = 82,300
 2008 12,809 23.7 <.0001 1
 2009 14,736 23.6   0.988 0.928–1.052 NS
 2010 16,192 22.0   0.911 0.856–0.969 .003
 2011 18,335 20.4   0.818 0.770–0.870 <.0001
 2012 20,228 19.7   0.772 0.727–0.820 <.0001
Non-ICU patients N = 59,064
 2008 8551 15.8 <.0001 1
 2009 10,137 16.3   1.028 0.945–1.117 NS
 2010 11,497 15.4   0.941 0.867–1.022 NS
 2011 13,545 14.8   0.859 0.793–0.931 <.0001
 2012 15,334 13.9   0.769 0.711–0.832 <.0001
ICU patients N = 23,236
 2008 4258 39.5 .002 1
 2009 4599 39.6   0.938 0.854–1.031 NS
 2010 4695 38.2   0.868 0.790–0.953 .003
 2011 4790 36.0   0.757 0.686–0.832 <.0001
 2012 4894 37.6   0.778 0.702–0.855 <.0001
  1. Data are presented as number of death or %. The multivariate analysis is adjusted by sex, age group, comorbidities, ICU admission, emergency admission, organ dysfunction, number of organ failures, septic origins and bacteraemia
  2. CI confidence interval, ICU intensive care unit, OR odds ratio, NS non-significant