Table 1

Baseline characteristics

Total (n=1310)Isolated SAVR (n=585)SAVR with CABG (n=518)TAVI (n=207)p Value
Patient-level factors
  Mean±SD (years)72.4±11.367.5±12.274.3±8.481.7±7.2
Medical comorbidities
 Renal function<0.0001
 Creatinine 0–140 μmol/L82.884.186.570.0
 Creatinine >140 μmol/L10.37.910.017.9
 Anticoagulant use13.410.811.226.6<0.0001
Cardiac risk factors
  Former/current smoker49.845.855.646.4
 Active endocarditis1.<0.0001
Cardiac history
 History of MI†<0.0001
 Recent MI‡9.24.317.03.4<0.0001
 Previous PCI10.33.610.628.5<0.0001
 Previous CABG7.62.93.930.4<0.0001
Procedural factors
 AV repairNA1.01.2NA<0.0001
 Other procedures§NA6.76.6NA0.0007
 Transfemoral approachNANANA76.8<0.0001
 Wait location<0.0001
 Inpatient wait length<0.0001
  ≤4 days81.585.072.494.2
  ≥5 days18.51527.65.8
 Short length of stay**
 Long ICU length of stay††25.816.128.646.4<0.0001
  • Unless otherwise specified, values represent proportions.

  • *BMI: underweight=<18.5, normal=18.5–24.9, overweight=25–29.9, obese=≥30.

  • †History of MI: MI >30 days ago.

  • ‡Recent MI: MI within the past 30 days.

  • §Other procedures: aneurysectomy, myectomy, atrial septal defect closure, ventricular septal defect closure, aortic surgery pericardectomy, arrhythmia surgery, cardiac tumour surgery, other surgery.

  • ¶Wait location—inpatient=if wait location at referral, acceptance or booking is a hospital.

  • **Short length of Stay: ≤2 days

  • ††Long ICU length of Stay: ≥4 days.

  • AV, aortic valve; BMI, body mass index; CABG, coronary artery bypass grafting; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; CVD, cerebrovascular disease; ICU, intensive care unit; LVEF, left ventricular ejection fraction; MI, myocardial infarction; NA, not applicable; PCI, percutaneous coronary intervention; PVD, peripheral vascular disease; SAVR, surgical aortic valve replacement; TAVI, transcatheter aortic valve implantation.