Research Article

The Impact of Pathologic Upgrading of Gleason Score 7 Prostate Cancer on the Risk of the Biochemical Recurrence after Radical Prostatectomy

Table 2

The four-group categorization of pathologic Gleason score 7 prostate cancer according to Gleason score upgrading after a radical prostatectomy.

Upgraded 
GS 3+4
Nonupgraded 
GS 3+4
Upgraded 
GS 4+3
Nonupgraded 
GS 4+3
p value

N458636216368
Mean age66.7 ± 6.466.5 ± 6.666.5 ± 6.568.0 ± 6.20.003
Preoperative PSA9.4 ± 7.612.6 ± 13.014.5 ± 26.415.9 ± 17.5<0.001
Preoperative PSA level
 <10320 (69.9%)371 (58.3%)124 (57.4%)179 (48.6%)<0.001
 10–20108 (23.6%)178 (28.0%)53 (24.5%)102 (27.7%)
 >2030 (6.6%)87 (13.7%)39 (18.1%)87 (23.6%)
Clinical stage
 T1c/T2a411 (89.7%)560 (88.1%)191 (88.4%)295 (80.2%)0.001
 T2b/c36 (7.9%)63 (9.9%)18 (8.3%)50 (13.6%)
 T3-411 (2.4%)13 (2.0%)7 (3.2%)23 (6.3%)
Pathologic finding
 ECE+134 (29.9%)231 (36.3%)94 (43.5%)184 (50.0%)<0.001
 SVI+14 (3.1%)73 (11.5%)27 (12.5%)63 (17.1%)<0.001
 Surgical margin+152 (33.2%)264 (41.5%)86 (39.8%)152 (41.3%)0.027
Biochemical recurrence46 (10.0%)124 (19.5%)49 (22.7%)105 (28.5%)<0.001

denotes statistical significance in comparison with the other three groups; ECE: extracapsular extension; GS: Gleason score; PSA: prostate-specific antigen; SVI: seminal vesicle invasion.