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Table 2 Concordance between the initial biopsy and final RP histology when stratified by ISUP Grade Groups

From: Pathological upgrading in prostate cancer treated with surgery in the United Kingdom: trends and risk factors from the British Association of Urological Surgeons Radical Prostatectomy Registry

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