Table 3 Multivariate analysis of risk factors associated with ward mortality

Model before including the Sabadell score

   Age (years)

1.05 (1.03–1.07)

<0.001

   APACHE II risk of death

1.01 (1.003–1.025)

<0.01

   Tracheostomy

0.20 (0.11–0.37)

<0.001

Model including the Sabadell score as a categorical variable

   Age (years)

1.02 (1.003–1.041)

<0.02

   Sabadell score of 1

10.1 (5.2–19.5)

<0.001

   Sabadell score of 2

33.2 (16.7–65.9)

<0.001

   Sabadell score of 3

202.5 (71.2–575.9)

<0.001