Table 4

Mean values (SD) for the variables significantly associated with delirium and mortality for the groups with or without the occurrence of delirium and mortality, respectively

DeliriumNo, n=64Yes, n=25p Value
Pulmonary hypertension >30 mm Hg, n (%)42/53 (79)13/23 (57)0.04*
Mini-Mental State Examination, mean (SD), (range 0–30)27.5 (2.3)26.0 (2.6)0.01*
Instrumental Activities of Daily Living, mean (SD), (range 0–8)6.7 (1.7)5.6 (2.5)0.07
Gait speed, mean (SD), m/s0.9 (0.3)0.7 (0.3)<0.01*
Timed Up and Go, mean (SD), seconds11.5 (4.7)16.6 (8.5)0.03*
MortalityNo, n=78Yes, n=11p Value
Frailty Index, mean (SD)2.2 (1.4)3.4 (1.6)0.02*
EuroSCORE I, mean (SD)14.6 (8.8)24.7 (12.7)0.00*
EuroSCORE II, mean (SD)4.8 (3.8)10.3 (9.1)0.00*
Complications, n (%)3 (3.8)2 (18.2)0.27
  • *Significance level p<0.05.

  • EuroSCORE, European System for Cardiac Operative Risk Evaluation.