The @-year ( OS : @ % vs. @ % , @ % CI : @-@ @ % vs. @-@ @ , p = @ ) , @-year ( OS : @ % vs. @ % , @ % CI : @-@ @ % vs. @-@ @ % , p = @ ) , @-year ( OS : @ % vs. @ % , @ % CI : @-@ @ % vs. @-@ @ % , p = @ ) and median overall and progression-free survivals of arm @ patients were significantly higher than those of arm @ .