Other factors that were associated with worse disease-specific survival were Gleason scores from 8 to 10 ( P = .0002 ; HR , 3.06 ; 95 % CI , 1.71-5 .47 ) and PSA levels > 20 ng/mL ( P = .04 ; HR , 1.55 ; 95 % CI , 1.02-2 .30 ) .
