All variables showed improvement reaching the following values ( from baseline to @y ) G@ : PHS : @ ( baseline : @ ; ( improvement : @ % ) , MHS : @ ( baseline : @ , @ % ) , HRQoL @ ( baseline : @ , @ % ) ) , HRQoL-VAS @ ( baseline : @ , @ % ) , RMQ @ ( baseline : @ , @ % ) , NDI @ ( baseline : @ , @ % ) , WOMAC @ ( baseline : @ , @ % ) .