Table 2 –
5-yr bRFS rate according to the highest grade group at SBx and the highest grade group at RP for the overall population (N = 12 468)
| SBx GG | 5-yr bRFS, % (95% CI) | ||||
|---|---|---|---|---|---|
| Grade group at radical prostatectomy | SBx GG | ||||
| GG 1 | GG 2 | GG 3 | GG 4–5 | ||
| (n = 2451) | (n = 6262) |
(n = 2400) |
(n = 1355) | ||
| GG 1 | [n = 2069] | [n = 1865] | [n = 186] | [n = 34] | 94 (93–95) |
| (n = 4154) | 97 (96–98) | 93 (92–95) | 78 (71–85) | 61 (46–82) | |
| GG 2 | [n = 352] | [n = 3535] | [n = 700] | [n = 71] | 82 (80–83) |
| (n = 4658) | 96 (93–98) | 85 (83–86) | 63 (58–67) | 47 (36–61) | |
| GG 3 | [n = 26] a | [n = 674] | [n = 951] | [n = 223] | 60 (57–63) |
| (n = 1874) | 96 (89–100) | 79 (75–83) | 52 (49–56) | 32 (26–40) | |
| GG 4–5 | [n = 4] a | [n = 188] | [n = 563] | [n = 1027] | 42 (39–45) |
| (n = 1782) | 100 (100–100) | 80 (73–88) | 52 (47–57) | 30 (27–33) | |
| RP GG | 97 (96–98) | 87 (86–88) | 57 (55–60) | 32 (29–35) | |
bRFS = biochemical recurrence-free survival; SBx = systematic biopsy; RP = radical prostatectomy; GG = International Society of Urological Pathology grade group; CI = confidence interval.
a
Low number of events with unreliable estimate.