who had never previously undergone a prostate biopsy or transurethral prostate resection, and who had consistently normal results from digital rectal examinations were included in the subgroup ...
Logistic regression was used to determine the parameters that predict the undergrading of the Gleason score in prostate biopsies. Results: The kappa statistic between biopsy and prostatectomy ...
All consented to collection of a post-prostatic-massage urine sample, as well as to biopsy. Histological review of prostate tissue samples confirmed the presence of cancer in 20% of patients ...