Table 2.
Comparison of prostate cancer detection rate according to PSA level, prostate volume and PSA density between transrectal and transperineal prostate biopsy
| Variables | All patients (n, %) | Transrectal biopsy (n, %) | Transperineal biopsy (n, %) | p value |
|---|---|---|---|---|
| PSA (ng/mL) | ||||
| ≤ 10 | 63/152 (41.4) | 40/87 (46.0) | 23/65 (35.4) | 0.190 |
| 10–20 | 56/140 (40.0) | 29/63 (46.0) | 27/77 (35.1) | 0.188 |
| 20–100 | 111/160 (69.4) | 69/95 (72.6) | 42/65 (64.6) | 0.280 |
| Prostate volume (mL) | ||||
| ≤ 30 | 74/96 (77.1) | 38/53 (71.7) | 36/43 (83.7) | 0.163 |
| 30–80 | 134/272 (49.3) | 85/151 (56.3) | 49/121 (40.5) | 0.010 |
| > 80 | 22/84 (26.2) | 15/41 (36.6) | 7/43 (16.3) | 0.034 |
| PSA density (ng/mL2) | ||||
| ≤ 0.15 | 23/92 (25.0) | 14/42 (33.3) | 9/50 (18.0) | 0.091 |
| > 0.15 | 207/360 (57.5) | 124/203(61.1) | 83/157 (52.8) | 0.118 |