Nonetheless , improvement in the respective scores was greater in the PRP than bupivacaine group after @ months ( @ % vs. @ % , @ % vs. @ % , and @ % vs. @ % ) , @ months ( @ % vs. @ % , @ % vs. @ % , and @ % vs. @ % ) , and one year ( @ % vs. @ % , @ % vs. @ % , and @ % vs. @ % ) .