Table 1 Clinical characteristics of patients underwent transrectal or transperineal prostate biopsy
Variables | All patients (n = 452) | Transrectal biopsy (n = 245) | Transperineal biopsy (n = 207) | p value |
|---|---|---|---|---|
Age at biopsy (years) | ||||
Average/Median | 70.1 ± 8.4/70 | 70.0 ± 8.7/70 | 70.3 ± 8.1/70 | 0.769 |
Range | 45–88 | 45–88 | 51–88 | |
PSA (ng/mL) | ||||
Average/Median | 22.0 ± 20.6/13.8 | 23.2 ± 21.8/14.1 | 20.6 ± 19.0/13.7 | 0.634 |
Range | 0.3–99.2 | 0.3–99.2 | 0.8–97.6 | |
Prostate volume (mL) | ||||
Average/Median | 57.0 ± 36.0/49 | 54.4 ± 31.6/46 | 60.0 ± 40.3/52 | 0.151 |
Range | 10–334 | 11–204 | 10–334 | |
PSA density (ng/mL2) | ||||
Average/Median | 0.51 ± 0.59/0.27 | 0.55 ± 0.64/0.29 | 0.47 ± 0.51/0.26 | 0.181 |
Range | 0.01–3.63 | 0.01–3.63 | 0.02–2.40 | |
Prostate cancer diagnosis rate (n, %) | 230/452 (50.9%) | 138/245 (56.3%) | 92/207 (44.4%) | 0.012 |
Positive rate of biopsy cores (n, %) | 1416/5759 (24.6%) | 876/3185 (27.5%) | 540/2574 (21.0%) | < 0.001 |