Table 2

Variables associated with delirium and mortality after transcatheter aortic valve implantation (TAVI)

Variables associated with deliriumVariables associated with mortality
Univariate regression analysisOR95% CIp ValueHR95% CIp Value
Baseline cardiological assessment
 Age, year1.050.97 to 1.140.220.980.89 to 1.070.62
 Weight, kg0.990.96 to 1.020.580.980.94 to 1.030.39
 Body mass index, kg/m21.020.93 to 1.120.650.950.83 to 1.090.46
 Gender, male0.680.26 to 1.760.430.470.12 to 1.760.26
 Renal impairment <50 mL/min/1.73 m20.610.24 to 1.550.302.210.59 to 8.340.24
 Extracardiac arteriopathy0.590.19- 1.810.361.510.44 to 5.160.51
 Chronic lung disease1.750.52 to 5.870.371.990.58 to 6.790.27
 Diabetes on insulin1.240.43 to 3.600.691.580.46 to 5.400.47
 New York Heart Association (classification) III or IV0.800.21 to 3.370.360.770.17 to 3.560.73
 Subjective poor mobility1.610.35 to 7.300.540.040.00 to 439.110.50
 Ejection fraction ≤30%1.650.26 to 10.600.601.230.16 to 9.670.84
 Pulmonary hypertension (0–30/31–55/>55 mm Hg)0.430.19 to 0.960.04*1.300.49 to 3.490.60
 EuroSCORE I1.000.95 to 1.050.971.081.03 to 1.130.002*
 EuroSCORE II1.000.91 to 1.100.951.141.06 to 1.22<0.001*
 Aortic valve area, cm21.580.19 to 12.900.670.110.01 to 1.950.13
 Aortic valve peak gradient, mm Hg1.000.97 to 1.020.790.980.95 to 1.020.31
Baseline frailty assessment
 Mini Mental State Examination, range 0–300.790.65 to 0.960.02*0.980.77 to 1.250.89
 Basic Activities of Daily Living, range 0–201.000.78 to 1.300.980.860.66 to 1.120.26
 Instrumental Activities of Daily Living, range 0–80.790.63 to 0.990.04*0.920.71 to 1.200.53
 Gait speed, m/s0.050.01 to 0.500.01*0.110.01 to 1.430.09
 Timed Up and Go, seconds1.141.03 to 1.260.01*1.040.94 to 1.160.46
 Mini Nutritional Assessment, range 0–140.990.82 to 1.200.910.920.74 to 1.140.44
 Frailty Index, range 0–51.250.90 to 1.730.181.661.06 to 2.600.03*
 Clinical judgement frailty, 0–13.101.14 to 8.460.03*3.920.85 to 18.16 0.08
 Clinical judgement high risk for delirium, 0–12.390.72 to 7.870.151.480.32 to 6.880.62
Postoperative
 Complications1.770.28 to 11.270.554.811.03 to 22.380.05*
 Incidence of delirium   1.060.28 to 4.000.93
  • *p<0.05.

  • EuroSCORE, European System for Cardiac Operative Risk Evaluation.