Table 4

Final Combined Assessment of Risk Encountered in Surgery model, combining predictors for both mortality and intensive care unit (ICU) admission

VariableMortalityICUCombined
ORRank scoreORRank scoreRank score sum
Age (years)
 30–493.01531.08914
 50–749.05051.63527
 75–8414.48161.91828
 ≥8534.23281.643210
Surgical risk (moderate/severe)2.15924.78835
Anaemia status
 Mild1.35211.41112
 Moderate/severe2.92631.60825
RDW>15.72.16021.24813
Ischaemic heart disease1.95521.09513
ASA Classification
 34.46344.78637
 418.010726.832411
Emergency surgery2.89731.78225
Male gender1.19811.33512
Congestive heart failure1.28111.40812
  • ASA, American Society of Anaesthesiologists; RDW, red cell distribution width.