Table 5 Correlation of Gleason score of 565 prostate biopsy sessions according to the OLD and the NEW rules, combining cases into more meaningful groups, Gleason score ⩽6, 3+4, 4+3 and ⩾8
Gleason score by the OLD rulesGleason score by the NEW rules
⩽63+44+3⩾8
⩽61782200
3+40855928
4+3004563
⩾800085