Parameters Parameters Values Range Groups P-value
Leaflet belly to annular plane angle (°), mean ± SD Leaflet belly to annular plane angle (°), mean ± SD 24.2 ± 5.8 8.0 – 37.0 <0.0011
Right leaflet 26.8 ± 7.1 9.1 – 43.1 R vs L <0.0012
Left leaflet 23.5 ± 5.4 10.2 – 33.4 L vs N 0.2292
Noncoronary leaflet 22.4 ± 6.7 8.0 – 37.0 R vs N <0.0012
Free margin to sinutubular plane angle (°), mean ± SD Free margin to sinutubular plane angle (°), mean ± SD 36.8 ± 4.9 21.0 – 45.8 <0.0011
R/L commissure 37.1 ± 6.0 22.5 – 48.2 R/L vs L/N <0.0012
R/N commissure 33.6 ± 5.0 18.3 – 45.2 R/L vs R/N <0.0012
L/N commissure 39.2 ± 5.1 22.4 – 50.0 L/N vs R/N <0.0012
Angle occupied by individual leaflet relative to sinutubular plane (°), mean ± SD Angle occupied by individual leaflet relative to sinutubular plane (°), mean ± SD 120 ± 6 104 - 141 <0.0011
Right leaflet 122 ± 5 109 – 141 R vs L 1.0002
Left leaflet 122 ± 5 109 – 134 L vs N <0.0012
Noncoronary leaflet 116 ± 6 104 – 135 R vs N <0.0012
Sinutubular to annular plane angle (°), mean ± SD Sinutubular to annular plane angle (°), mean ± SD 7.8 ± 3.9 0.7 – 22.7 M vs F* <0.0014