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 | ||