Entire cohort (n=140) N group (n=23) Y group (n=117)
p value
Approach
Femoral 105 (75.0%) 17 (73.9%) 88 (75.2%) 1.00
Apical 27 (19.3%) 4 (17.3%) 23 (19.7%) 1.00
Subclavian 5 (3.6%) 1 (4.4%) 4 (3.4%) 1.00
Aorta 3 (2.1%) 1 (4.4%) 2 (1.7%) 0.41
Prosthetic valves
Balloon-expandable 101 (72.2%) 16 (69.6%) 85 (72.6%)
Size (mm) 20/23/26/29 5/70/25/1 3/12/1/0 2/58/24/1 0.80
Self-expandable 39 (27.8%) 7 (30.4%) 32 (27.4%) [Balloon vs. Self-expandable]
Size (mm) 23/26/29 2/23/14 0/6/1 2/17/13
Operation time (min) 149±40 159±40 147±40 0.20
Blood transfusion 47 (33.5%) 9 (39.1%) 38 (32.4%) 0.80