Table 2.

Predictors of mortality and reinterventions after BAV and SAV procedures

	HR	95% CI	P value
Mortality
Reintervention AVR	2.8	1.1 to 6.9	0.02
Age at current procedure (years)	0.17/year	0.03 to 0.86	0.03
Neonate at initial procedure	3	1.5 to 6.2	0.003
Weight-for-age Z score at current procedure	0.78/unit	0.67 to 0.91	0.02
SAS	0.1	0.02 to 1	0.05
VSD	3.6	1.7 to 7.8	0.001
AVR
Reintervention BAV*	1.9	1 to 3.4	0.04
Reintervention SAV*	2.6	1.4 to 5.1	0.004
Reintervention AVR*	0.3	0.1 to 0.9	0.04
Neonate at initial procedure	2.1	1.3 to 3.5	0.002
Weight-for-age Z score at current procedure	0.84/unit	0.74 to 0.96	0.01
SAS	2.3	1.3 to 4.3	0.005
Female gender	0.6	0.3 to 1	0.05
BAV
Reintervention SAV*	0.2	0.05 to 0.9	0.04
Reintervention AVR*	0.05	0.007 to 0.4	0.004
Neonate at initial procedure	2.4	1.5 to 3.6	<0.001
SAS	2.8	1.6 to 4.9	<0.001
SAV
Reintervention AVR*	0.1	0.01 to 0.8	0.03
Neonate at initial procedure	2.4	1.4 to 4.2	0.002
MV defect	3.1	1.7 to 5.9	<0.001

*Reference is initial BAV.

AVR, aortic valve replacement; BAV, balloon aortic valvoplasty; MV, mitral valve; SAS, subaortic stenosis; SAV, surgical aortic valvotomy; VSD, ventricular septal defect.