Table 4.

Univariable regression models of CT-based characteristics, age and suture technique with outcome measures. Linear regression models of CPB and AoX are presented with β-coefficients and confidence intervals (95%). In addition, for all CT-based characteristics the adjusted β-coefficients and confidence intervals (95%) are presented (corrected for age and suture technique). All values with a p-value < 0.1 are depicted in bold

	β-coefficient (95 CI%)	P-value	Adjusted β-coefficient (95 CI%)	P-value
Cardiopulmonary bypass time (min)
Access angle (degrees)	−0.082 (− 0.56, 0.40)	0.74	− 0.071 (− 0.47, 0.32)	0.72
Distance from incision (mm)	0.15 (− 0.26, 0.57)	0.47	0.25 (− 0.096, 0.60)	0.15
Calcium volume (mm3)	0.010 (0.001, 0.019)	0.038	0.012 (0.005, 0.019)	0.002
Annulus minimum diameter (mm)	2.5 (0.5, 4.4)	0.013	0.6 (−1.2, 2.3)	0.52
Annulus maximum diameter (mm)	2.1 (0.5, 3.6)	0.010	0.2 (−1.2, 1.6)	0.77
Annulus area (mm2)	0.052 (0.013, 0.091)	0.011	0.006 (−0.031, 0.042)	0.76
Annulus perimeter (mm)	0.76 (0.21, 1.30)	0.008	0.062 (−0.46, 0.58)	0.81
Sutureless valve (Yes)	−28 (−36, −20)	< 0.001
Age (year)	−0.96 (−1.44, − 0.48)	< 0.001
Aortic cross-clamp time (min)
Access angle (degrees)	−0.090 (−0.50, 0.32)	0.66	−0.080 (− 0.40, 0.24)	0.62
Distance from incision (mm)	0.074 (− 0.28, 0.43)	0.68	0.17 (−0.11, 0.46)	0.23
Calcium volume (mm3)	0.008 (0.000, 0.016)	0.051	0.010 (0.004, 0.016)	0.002
Annulus minimum diameter (mm)	2.5 (1.1, 3.9)	0.001	1.0 (−0.2, 2.3)	0.10
Annulus maximum diameter (mm)	2.2 (1.0, 3.3)	< 0.001	0.8 (−0.2, 1.8)	0.13
Annulus area (mm2)	0.055 (0.026, 0.083)	< 0.001	0.021 (−0.006, 0.048)	0.12
Annulus perimeter (mm)	0.79 (0.39, 1.18)	< 0.001	0.289 (−0.094, 0.673)	0.14
Sutureless valve (Yes)	−26 (−32, − 19)	< 0.001
Age (year)	−0.93 (−1.32, 0.53)	< 0.001