The @-week incidence of any grade HFSR was significantly lower in the UBC group versus the BSC-alone group ( @ % v @ % , respectively ; odds ratio -LSB- OR -RSB- , @ ; @ % CI , @ to @ ; P < @ ) , as was the incidence of grade @ HFSR ( @ % v @ % , respectively ; OR , @ ; @ % CI , @ to @ ; P = @ ) .