101 patients had died at the time of censor , with 1 - , 3 - , and 5-year overall survival rates and median survival for all patients of 97.5 % , 76.4 % , 40.5 % and 51.2 months ( range , 10.0 ~ 72.0 ) , respectively ( 98.3 % , 78.0 % , 43.6 % and 52.6 months , for treatment and 96.7 % , 74.7 % , 37.4 % , and 49.8 months , for controls , respectively ( p = 0.048 ) ) .