Table 2.
Patient, tumor and surgeon characteristics.
| Characteristic | Overall, N = 2,6721 | 0–74, N = 6061 | 75–149, N = 6401 | 150–299, N = 8251 | 300–, N = 6011 |
|---|---|---|---|---|---|
|
| |||||
| Age at surgery(yr) | 64 (59, 67) | 65 (60, 68) | 64 (60, 67) | 63 (59, 67) | 62 (57, 66) |
| Body Mass Index | 26 (24, 28) | 26 (24, 28) | 26 (24, 28) | 26 (24, 28) | 26 (24, 28) |
| Missing | 352 | 77 | 83 | 97 | 95 |
| University education | 927(39%) | 178(33%) | 199(35%) | 301(41%) | 249(49%) |
| Missing | 313 | 64 | 69 | 88 | 92 |
| Residence | |||||
| Abroad | 9(0.4%) | 0(0%) | 1(0.2%) | 3(0.4%) | 5(1.0%) |
| Rural | 321(14%) | 72(13%) | 80(14%) | 106(14%) | 63(12%) |
| Urban | 2,028(86%) | 470(87%) | 490(86%) | 628(85%) | 440(87%) |
| Missing | 314 | 64 | 69 | 88 | 93 |
| In a relationship | 2,140(91%) | 493(91%) | 521(91%) | 661(90%) | 465(92%) |
| Missing | 314 | 64 | 70 | 87 | 93 |
| Diabetes | 142(6.0%) | 26(4.8%) | 35(6.2%) | 48(6.5%) | 33(6.5%) |
| Missing | 322 | 68 | 74 | 87 | 93 |
| Cardiovascular disease | 822(35%) | 184(34%) | 204(36%) | 262(36%) | 172(34%) |
| Missing | 324 | 66 | 74 | 90 | 94 |
| COPD | 54(2.3%) | 14(2.6%) | 10(1.8%) | 21(2.8%) | 9(1.8%) |
| Missing | 325 | 67 | 77 | 88 | 93 |
| Psychiatric morbidity | 87(3.7%) | 25(4.6%) | 20(3.6%) | 26(3.5%) | 16(3.1%) |
| Missing | 327 | 65 | 78 | 91 | 93 |
| Previous abdominal surgery | 509(22%) | 102(20%) | 130(24%) | 170(24%) | 107(22%) |
| Missing | 395 | 88 | 89 | 108 | 110 |
| Abdominal hernia | 169(7.2%) | 45(8.3%) | 42(7.5%) | 50(6.8%) | 32(6.3%) |
| Missing | 331 | 67 | 81 | 89 | 94 |
| Preoperative incontinence. Change of pads | |||||
| Not applicable | 2,323(98%) | 534(98%) | 563(99%) | 719(98%) | 507(99%) |
| <1 times | 12(0.5%) | 4(0.7%) | 0(0%) | 7(1.0%) | 1(0.2%) |
| approx 1 times | 8(0.3%) | 2(0.4%) | 2(0.4%) | 4(0.5%) | 0(0%) |
| 2–3 times | 12(0.5%) | 1(0.2%) | 3(0.5%) | 6(0.8%) | 2(0.4%) |
| 4–5 times | 4(0.2%) | 1(0.2%) | 2(0.4%) | 0(0%) | 1(0.2%) |
| >5 times | 2(<0.1%) | 2(0.4%) | 0(0%) | 0(0%) | 0(0%) |
| Missing | 311 | 62 | 70 | 89 | 90 |
| Erection sufficiently stiff for intercourse | |||||
| No sexual activity | 467(20%) | 121(23%) | 120(22%) | 139(19%) | 87(17%) |
| Never or rarely | 61(2.6%) | 18(3.4%) | 8(1.4%) | 24(3.3%) | 11(2.2%) |
| <50% of times | 98(4.2%) | 22(4.1%) | 27(4.8%) | 33(4.6%) | 16(3.2%) |
| approx 50% of times | 121(5.2%) | 24(4.5%) | 29(5.2%) | 45(6.3%) | 23(4.6%) |
| >50% of times | 289(13%) | 74(14%) | 69(12%) | 86(12%) | 60(12%) |
| Almost always or always | 1,273(55%) | 272(51%) | 304(55%) | 390(54%) | 307(61%) |
| Missing | 363 | 75 | 83 | 108 | 97 |
| Preoperative PSA(ng/ml) | 6 (4, 9) | 6 (4, 9) | 6 (4, 8) | 6 (4, 9) | 6 (5, 9) |
| Missing | 9 | 1 | 0 | 0 | 8 |
| Clinical T stage | |||||
| T1 | 1,541(59%) | 331(56%) | 353(57%) | 481(60%) | 376(63%) |
| T2 | 993(38%) | 244(41%) | 254(41%) | 299(37%) | 196(33%) |
| T3 | 76(2.9%) | 14(2.4%) | 15(2.4%) | 24(3.0%) | 23(3.9%) |
| Missing | 62 | 17 | 18 | 21 | 6 |
| ASA | |||||
| I | 1,648(63%) | 386(65%) | 399(64%) | 515(64%) | 348(60%) |
| II | 912(35%) | 201(34%) | 219(35%) | 268(33%) | 224(38%) |
| IV-V | 54(2.1%) | 9(1.5%) | 9(1.4%) | 24(3.0%) | 12(2.1%) |
| Missing | 58 | 10 | 13 | 18 | 17 |
| Gleason Score on biopsy | |||||
| 1 | 1,349(51%) | 290(48%) | 312(49%) | 429(52%) | 318(53%) |
| 2 | 914(34%) | 228(38%) | 227(36%) | 259(32%) | 200(34%) |
| 3 | 241(9.1%) | 55(9.1%) | 59(9.2%) | 76(9.3%) | 51(8.6%) |
| >3 | 153(5.8%) | 30(5.0%) | 41(6.4%) | 55(6.7%) | 27(4.5%) |
| Missing | 15 | 3 | 1 | 6 | 5 |
| D’Amico classification (biopsy) | |||||
| Low | 770(29%) | 154(26%) | 175(28%) | 245(30%) | 196(33%) |
| Intermediate | 1,649(63%) | 404(67%) | 403(64%) | 494(61%) | 348(58%) |
| High | 219(8.3%) | 44(7.3%) | 53(8.4%) | 70(8.7%) | 52(8.7%) |
| Missing | 34 | 4 | 9 | 16 | 5 |
| Nervesparing approach | |||||
| No neurovascular dissection | 445(17%) | 108(18%) | 120(19%) | 159(19%) | 58(9.7%) |
| Uni/bi-lateral partial NS | 397(15%) | 120(20%) | 106(17%) | 110(13%) | 61(10%) |
| Uni-lateral inter/intra NS | 510(19%) | 126(21%) | 116(18%) | 143(17%) | 125(21%) |
| Bi-lateral NS, partially one side | 510(19%) | 103(17%) | 138(22%) | 157(19%) | 112(19%) |
| Bi-lateral NS, one inter, one intra | 550(21%) | 121(20%) | 109(17%) | 184(22%) | 136(23%) |
| Bi-lateral NS, both sides intrafascial | 144(5.4%) | 10(1.7%) | 30(4.7%) | 37(4.5%) | 67(11%) |
| Bi-lateral NS, both sides interfascial | 114(4.3%) | 18(3.0%) | 20(3.1%) | 35(4.2%) | 41(6.8%) |
| Missing | 2 | 0 | 1 | 0 | 1 |
| Lymph node dissection | |||||
| Extended | 227(8.5%) | 40(6.6%) | 56(8.8%) | 68(8.3%) | 63(10%) |
| Limited | 85(3.2%) | 11(1.8%) | 25(3.9%) | 33(4.0%) | 16(2.7%) |
| No performed | 2,346(88%) | 553(92%) | 553(87%) | 719(88%) | 521(87%) |
| Missing | 14 | 2 | 6 | 5 | 1 |
| Total length of cancer in prostate biopsy(mm) | 8 (4, 16) | 8 (4, 17) | 8 (4, 15) | 7 (4, 16) | 8 (4, 15) |
| Missing | 159 | 44 | 39 | 40 | 36 |
| pT stage | |||||
| T2 | 1,890(72%) | 440(75%) | 456(73%) | 592(72%) | 402(69%) |
| T3 | 710(27%) | 145(25%) | 167(27%) | 221(27%) | 177(31%) |
| T4 | 10(0.4%) | 0(0%) | 5(0.8%) | 4(0.5%) | 1(0.2%) |
| Missing | 62 | 21 | 12 | 8 | 21 |
| Prostate weight(gr) | 42 (34, 53) | 43 (35, 53) | 42 (34, 53) | 42 (34, 53) | 42 (34, 53) |
| Missing | 32 | 5 | 9 | 5 | 13 |
1
Median (IQR); n(%)