Table 1 Characteristics of patients admitted to the ICU (n = 375)

Age in years, median (P25–75)

Age group, n (%)

   ≥ 65 years

   < 65 years

Sex, n (%)

   Male

   Female

Body Mass Index in Kg/m², median (P25–P75)

ASA physical status, n (%)

   I

   II

   III

   IV

Type of surgery, n (%)

   Emergent

   Scheduled

Magnitude of surgery, n (%)

   Minor

   Medium

   Major

SAPS II, median (P25–75)

Days of ICU length of stay, median (P25–75)

Days of ICU length of stay, n (%)

   ≤ 7 days

   > 7 days

Days of hospital length of stay, median (P25–P75)

Mortality in ICU, n (%)

Mortality in hospital, n (%)

Mortality 6 months after ICU discharge, n (%)