Table 2 Concordance between the initial biopsy and final RP histology when stratified by ISUP Grade Groups
RP ISUP Grade Group | Biopsy ISUP Grade Group | |||||||||
1 (≤6) | 2 (3 + 4) | 3 (4 + 3) | 4 (8) | 5 (9–10) | ||||||
No. | % | No. | % | No. | % | No. | % | No. | % | |
1 (≤6) | 1550 | 39.6 | 430 | 5.2 | 38 | 1.3 | 21 | 1.5 | 2 | 0.2 |
2 (3 + 4) | 2045 | 52.2 | 6381 | 76.6 | 955 | 33.0 | 351 | 24.6 | 103 | 9.9 |
3 (4 + 3) | 235 | 6.0 | 1231 | 14.8 | 1579 | 54.6 | 486 | 34.1 | 227 | 21.9 |
4 (8) | 52 | 1.3 | 165 | 2.0 | 140 | 4.8 | 363 | 25.4 | 73 | 7.0 |
5 (9–10) | 32 | 0.8 | 121 | 1.5 | 181 | 6.3 | 206 | 14.4 | 631 | 60.9 |
Total | 3914 | 100 | 8328 | 100 | 2893 | 100 | 1427 | 100 | 1036 | 100 |