Factor | ORP | RARP | P value |
---|---|---|---|
N | 1047 (27.4%) | 2779 (72.6%) | Â |
Year of diagnosis | Â | Â | Â |
2009–2012 | 3 (0.3%) | 29 (1.0%) | 0.05 |
2013 | 31 (3.0%) | 64 (2.3%) | Â |
2014 | 184 (17.6%) | 507 (18.2%) | Â |
2015 | 226 (21.6%) | 671 (24.1%) | Â |
2016 | 308 (29.4%) | 750 (27.0%) | Â |
2017 | 279 (26.6%) | 731 (26.3%) | Â |
2018 | 16 (1.5%) | 27 (1.0%) | Â |
Method of diagnosis | Â | Â | Â |
TRUS prostate biopsy | 516 (49.3%) | 1160 (41.7%) |  < 0.001 |
TURP | 16 (1.5%) | 35 (1.3%) | Â |
Transperineal prostate biopsy | 511 (48.8%) | 1575 (56.7%) | Â |
Other | 4 (0.4%) | 9 (0.3%) | Â |
PSA at diagnosis (ng/mL) | Â | Â | Â |
< 4.8 | 212 (20.2%) | 768 (27.6%) |  < 0.001 |
4.81–6.4 | 238 (22.7%) | 690 (24.8%) |  |
6.41–9 | 288 (27.5%) | 652 (23.5%) |  |
 > 9 | 280 (26.7%) | 593 (21.3%) |  |
Missing | 29 (2.8%) | 76 (2.7%) | Â |
ISUP Grade Group at diagnosis | Â | Â | Â |
1 | 159 (15.2%) | 417 (15.0%) |  < 0.001 |
2 | 412 (39.4%) | 1301 (46.8%) | Â |
3 | 237 (22.6%) | 578 (20.8%) | Â |
4 | 130 (12.4%) | 272 (9.8%) | Â |
5 | 104 (9.9%) | 181 (6.5%) | Â |
Missing | 5 (0.5%) | 30 (1.1%) | Â |
NCCN risk category | Â | Â | Â |
Low risk | 89 (8.5%) | 254 (9.1%) |  < 0.001 |
Intermediate risk | 660 (63.0%) | 1897 (68.3%) | Â |
High risk | 256 (24.5%) | 550 (19.8%) | Â |
Metastatic | 36 (3.4%) | 47 (1.7%) | Â |
Missing | 6 (0.6%) | 31 (1.1%) | Â |
Diagnosing institution type | Â | Â | Â |
Public | 345 (33.0%) | 415 (14.9%) |  < 0.001 |
Private | 667 (63.7%) | 2180 (78.4%) | Â |
Missing | 35 (3.3%) | 184 (6.6%) | Â |
Diagnosing institution location | Â | Â | Â |
Metropolitan | 668 (63.8%) | 2156 (77.6%) |  < 0.001 |
Regional | 334 (31.9%) | 426 (15.3%) | Â |
Interstate/overseas | 8 (0.8%) | 102 (3.7%) | Â |
Missing | 37 (3.5%) | 95 (3.4%) | Â |
IRSAD category | Â | Â | Â |
1—lowest | 123 (11.7%) | 236 (8.5%) |  < 0.001 |
2 | 161 (15.4%) | 285 (10.3%) | Â |
3 | 191 (18.2%) | 362 (13.0%) | Â |
4 | 210 (20.1%) | 673 (24.2%) | Â |
5—highest | 358 (34.2%) | 1216 (43.8%) |  |
Missing | 4 (0.4%) | 7 (0.3%) | Â |
Age at surgery, median (IQR) | 65.6 (60.3, 69.6) | 65.0 (59.6, 69.3) | 0.047 |
Years between diagnosis and surgery, median (IQR) | 0.2 (0.1, 0.3) | 0.2 (0.1, 0.3) |  < 0.001 |
Years between surgery and follow-up, median (IQR) | 1.0 (1.0, 1.1) | 1.0 (1.0, 1.1) | 0.86 |
PSA at surgery (ng/ml) | Â | Â | Â |
< 4.8 | 202 (19.3%) | 774 (27.9%) |  < 0.001 |
4.81–6.4 | 240 (22.9%) | 661 (23.8%) |  |
6.41–9 | 286 (27.3%) | 658 (23.7%) |  |
> 9 | 298 (28.5%) | 632 (22.7%) |  |
Missing | 21 (2.0%) | 54 (1.9%) | Â |
Pathological T score | Â | Â | Â |
T2 | 489 (46.7%) | 1363 (49.0%) |  < 0.001 |
T3 | 472 (45.1%) | 1362 (49.0%) | Â |
T4 | 4 (0.4%) | 2 (0.1%) | Â |
Missing | 82 (7.8%) | 52 (1.9%) | Â |
Surgery Gleason Score | Â | Â | Â |
6 or less | 60 (5.7%) | 98 (3.5%) |  < 0.001 |
7 | 771 (73.6%) | 2301 (82.8%) | Â |
8 | 61 (5.8%) | 114 (4.1%) | Â |
9 | 147 (14.0%) | 241 (8.7%) | Â |
10 | 1 (0.1%) | 0 | Â |
Missing | 7 (0.7%) | 25 (0.9%) | Â |
ISUP grade group at surgery | Â | Â | Â |
1 | 136 (13.0%) | 357 (12.8%) |  < 0.001 |
2 | 430 (41.1%) | 1261 (45.4%) | Â |
3 | 306 (29.2%) | 835 (30.0%) | Â |
4 | 80 (7.6%) | 147 (5.3%) | Â |
5 | 91 (8.7%) | 156 (5.6%) | Â |
Missing | 4 (0.4%) | 23 (0.8%) | Â |
Surgical margins | Â | Â | Â |
Absent | 668 (63.8%) | 2175 (78.3%) |  < 0.001 |
Present | 356 (34.0%) | 566 (20.4%) | Â |
Missing | 23 (2.2%) | 38 (1.4%) | Â |
Surgical institution type | Â | Â | Â |
Public | 412 (39.4%) | 402 (14.5%) |  < 0.001 |
Private | 634 (60.6%) | 2370 (85.3%) | Â |
Missing | 1 (0.1%) | 7 (0.3%) | Â |
Surgical institution location | Â | Â | Â |
Metropolitan | 749 (71.5%) | 2599 (93.5%) |  < 0.001 |
Regional | 297 (28.4%) | 173 (6.2%) | Â |
Interstate/overseas | 0 (0.0%) | 3 (0.1%) | Â |
Missing | 1 (0.1%) | 4 (0.1%) | Â |
Surgeon year of specialisation | Â | Â | Â |
1974–1990 | 139 (13.3%) | 633 (22.8%) |  < 0.001 |
1991–2000 | 430 (41.1%) | 312 (11.2%) |  |
2001–2006 | 90 (8.6%) | 799 (28.8%) |  |
2007–2009 | 185 (17.7%) | 434 (15.6%) |  |
2010–2018 | 156 (14.9%) | 568 (20.4%) |  |
Missing | 47 (4.5%) | 33 (1.2%) | Â |
Surgeon years since specialisation | Â | Â | Â |
0–6 | 167 (16.0%) | 631 (22.7%) |  < 0.001 |
7–10 | 169 (16.1%) | 630 (22.7%) |  |
11–16 | 181 (17.3%) | 576 (20.7%) |  |
17–26 | 339 (32.4%) | 321 (11.6%) |  |
27–44 | 143 (13.7%) | 588 (21.2%) |  |
Missing | 48 (4.6%) | 33 (1.2%) | Â |