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. Author manuscript; available in PMC: 2019 Aug 1.
Published in final edited form as: Ann Thorac Surg. 2018 Apr 3;106(2):521–525. doi: 10.1016/j.athoracsur.2018.02.073

Table 1.

Data of Initial Operation (First Stentless Valve Implantation)

Variables N=143
Bicuspid Aortic Valve 107 (75)
Marfan Syndrome 5 (3.5)
First AV Operation
 AVR 11 (8)
 Aortic Root Replacement 132 (92)
Concomitant Surgery
 CABG 19 (13)
 Mitral Valve Operation 6 (4)
 Ascending Aorta or Arch Replacement 60 (42)
Implantation Technique
 Subcoronary 11 (8)
 Inclusion/ Modified Inclusion 120 (84)
 Total Root Replacement 12 (8)
Location of First AV Operation
 University of Michigan 121 (85)
 Other Hospital 22 (15)

Data presented as median (25%, 75%) for continuous data and n (%) for categorical data.

Abbreviations: AVR, aortic valve replacement; CABG, coronary artery bypass graft surgery.