OBJECTIVE	The association of Ki-67 staining index ( Ki67-SI ) with overall survival ( OS ) , disease-specific mortality ( DSM ) , distant metastasis ( DM ) , and biochemical failure ( BF ) was examined in men with favorable - to intermediate-risk prostate cancer receiving radiation therapy ( RT ) alone or with short-term androgen deprivation ( ADT ) in Radiation Therapy Oncology Group ( RTOG ) 94-08 .\