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. 2023 Jan 28;23:11. doi: 10.1186/s12894-023-01176-y

Table 3.

Comparison of positive rate of biopsy cores according to T stage and ISUP grade between transrectal and transperineal prostate biopsy

Variables All patients (n, %) Transrectal biopsy (n, %) Transperineal biopsy (n, %) p value
T stage
T1 + T2 381/1160 (32.8) 231/754 (30.6) 150/406 (36.9) 0.029
T3 + T4 725/1065 (68.1) 433/598 (72.4) 292/467 (62.5) 0.001
ISUP grade
1 79/542 (14.6) 49/351 (14.0) 30/191 (15.7) 0.582
2–3 369/853 (42.3) 192/455 (42.2) 177/398 (44.5) 0.504
4–5 955/1520 (62.8) 622/975 (63.8) 333/545 (61.1) 0.297