Table 1

Baseline characteristics in 865 patients with bicuspid aortic valves who underwent aortic valve surgery in Sweden between 2007 and 2020

All patients
n=865
Age, years, mean (SD)60.4 (13)
Female sex224 (26%)
Region of birth
 Non-Nordic countries69 (8.0%)
Body mass index (kg/cm2), mean (SD)26.7 (4.3)
Cardiovascular heredity280 (32%)
Smoking
 Never420 (49%)
 Current75 (8.8%)
 Former359 (42%)
Bicuspid aortic valve phenotype*
 Type 066 (8.2%)
 Type 1, left-right592 (74%)
 Type 1, right-non140 (17%)
 Type 1, non-left6 (0.7%)
New York Heart Association classification
 I–II619 (77%)
 III–IV187 (23%)
Aortic valve pathology
 Aortic stenosis603 (71%)
 Aortic insufficiency187 (22%)
 Combined aortic stenosis/aortic insufficiency55 (6.5%)
Left ventricular ejection fraction
 >50%423 (77%)
 31%–50%111 (20%)
 <30%16 (2.9%)
Hypertension459 (53%)
Diabetes115 (13%)
Chronic pulmonary disease57 (6.6%)
Heart failure65 (7.5%)
Ischaemic heart disease80 (9.2%)
Atrial fibrillation55 (6.4%)
Stroke or transitory ischaemic attack58 (6.7%)
Peripheral arterial disease55 (6.4%)
Deep venous thrombosis or pulmonary embolism28 (3.2%)
Prior cardiac surgery2 (0.2%)
Estimated glomerular filtration rate (mL/min/1.73 m2)
 >60781 (90%)
 30–6078 (9.0%)
 <30 or dialysis6 (0.7%)
Year of surgery
 2007–2010236 (27%)
 2011–2015372 (43%)
 2016–2020257 (30%)
  • Data are n (%) unless otherwise noted.

  • *According to the Sievers and Schmidtke classification.