When the groups were compared with each other , improvement observed in SF-36 Pain ( p < 0.001 ) , SF-36 Social Function ( p = 0.030 ) , SF-36 Vitality ( p = 0.002 ) , SF-36 General Health ( p = 0.001 ) , Pain at rest ( p < 0.001 ) , Pain at motion ( p < 0.001 ) , Joint stiffness ( p < 0.001 ) , DAOI ( p < 0.001 ) were in favor of G1 .