On Kaplan-Meier analysis , 3-year survival ( RR , 92.5 % 1.7 % versus CR , 91.6 % 1.3 % ; log-rank p = 0.623 ) and freedom from aortic root reintervention ( RR , 99.2 % 0.1 % versus CR ,99.3 % 0.1 % ; log-rank p = 0.770 ) were similar .