In multivariable analysis , the log ( PGS-33 ) was associated with PCa diagnosis with an odds ratio of 1.68 ( 95 % CI 1.36-2 .08 , P < 0.001 ) , log ( PSA ) ( OR 8.2 ; 95 % CI 6.75-10 .04 , P < 0.001 ) , and family history of PCa ( OR 2.01 ; 95 % CI 1.26-3 .20 , P = 0.003 ) .