The cumulative incidence of strokes at @-year follow-up was @ % in TAVR patients versus @ % in patients undergoing standard therapy ( hazard ratio , @ ; @ % confidence interval , @-@ @ ; P = @ ) ; however , the composite of death or strokes was significantly lower after TAVR versus standard therapy ( @ % versus @ % , P < @ ; hazard ratio , @ ; @ % confidence interval , @-@ @ ; P < @ ) .