For the @ - and @-week assignments , @-year disease-specific survival rates were @ % ( @ % CI , @ % to @ % ) and @ % ( @ % CI , @ % to @ % ; hazard ratio -LSB- HR -RSB- , @ ; P = @ ) , respectively , and @-year overall survival rates were @ % ( @ % CI , @ % to @ % ) and @ % ( @ % CI , @ % to @ % ; HR , @ ; P = @ ) , respectively .