The mean VAS values before treatment , for early , delayed , and long-term response for the 0.5 and 1.0 Gy groups were 65.522.1 and 64.020.5 ( p = 0.19 ) , 34.824.7 and 39.026.3 ( p = 0.12 ) , 25.126.8 and 28.926.8 ( p = 0.16 ) , and 16.324.3 and 14.119.7 ( p = 0.68 ) .