Table 3.
Parameter | Coefficient | r 2 | P Value |
---|---|---|---|
Univariate analysis | |||
Age at CMR, y | −0.22 | 0.01 | 0.54 |
Male gender | 11.36 | 0.05 | 0.12 |
Age at repair, y | −0.22 | 0.01 | 0.55 |
Second arch procedure | −11.00 | 0.04 | 0.14 |
Ventricular septal defect | −2.46 | 0.01 | 0.80 |
Bicommissural aortic valve | −0.53 | 0.01 | 0.94 |
Arm-leg SBP difference, mm Hg | 0.04 | 0.09 | 0.02 |
Exercise Arm-leg SBP difference, mm Hg | 0.51 | 0.29 | <0.0001 |
TAA/DAO diameter ratio | −56.04 | 0.11 | 0.006 |
TAA CSA/BSA, cm2/m2 | −0.04 | 0.03 | 0.66 |
Isthmus/DAO diameter ratio | 0.16 | 0.01 | 0.6 |
Multivariable analysis (model r2=0.36) | |||
Arm-leg SBP difference at peak exercise, mm Hg | 0.48 | N/A | <0.0001 |
TAA/DAO diameter ratio | −43.61 | N/A | 0.03 |
BSA indicates body-surface area; CMR, cardiac magnetic resonance study; CSA, cross-sectional area; DAO, descending aorta; SBP, systolic blood pressure; TAA, transverse aortic arch.