Table 2.
Descriptive characteristics of 32 patients who underwent robot-assisted retroperitoneal lymph node dissection for nonseminomatous germ cell tumor, stratified according to experience or not a postoperative sexual impairment
| Characteristics | Postoperative sexual impairment: No (n=22; 68.8%) | Postoperative sexual impairment: Yes (n=10; 31.3%) | P |
|---|---|---|---|
| Age at surgery (year) | |||
| Median | 30 | 29 | 0.2 |
| Range | 27–36 | 27–30 | |
| BMI (kg m−2) | |||
| Median | 24 | 24 | 0.4 |
| Range | 23–26 | 21–25 | |
| Number of LN removed | |||
| Median | 17 | 16 | 0.9 |
| Range | 11–21 | 12–19 | |
| Preoperative IIEF-5 | |||
| Median | 25 | 25 | 0.7 |
| Range | 20–25 | 19–25 | |
| Scholar status, n (%) | 0.4 | ||
| University | 7 (31.8) | 5 (50.0) | |
| High school | 10 (45.5) | 5 (50.0) | |
| Primary school | 4 (18.2) | 0 (0) | |
| Unknown | 1 (4.5) | 0 (0) | |
| Preoperative sexual impairment, n (%) | 1 | ||
| No | 19 (86.4) | 9 (90.0) | |
| Yes | 3 (13.6) | 1 (10.0) | |
| Preoperative RFs, n (%) | 0.6 | ||
| No | 5 (22.7) | 4 (40.0) | |
| Yes | 17 (77.3) | 6 (60.0) | |
| Preoperative RF categories, n (%) | 0.2 | ||
| None | 5 (22.7) | 4 (40.0) | |
| Diabetes/metabolic syndrome | 0 (0) | 0 (0) | |
| Neuroleptics/antiepileptic | 0 (0) | 1 (10.0) | |
| Smoke | 4 (18.2) | 2 (20.0) | |
| Alcohol | 10 (45.5) | 1 (10.0) | |
| Smoke and alcohol | 3 (13.6) | 2 (20.0) | |
| Preoperative spermiogram, n (%) | 0.2 | ||
| Altered | 3 (13.6) | 0 (0) | |
| Normal | 13 (59.1) | 9 (90.0) | |
| Unknown | 6 (27.3) | 1 (10.0) | |
| Type of RPLND, n (%) | 0.08 | ||
| Postchemotherapy | 8 (36.4) | 0 (0) | |
| Simple | 14 (63.6) | 10 (100) | |
| Year of surgery group | 0.9 | ||
| 2012–2016 | 11 (50.0) | 6 (60.0) | |
| 2017–2020 | 11 (50.0) | 4 (40.0) | |
| Patients’ positioning, n (%) | 0.7 | ||
| Full flank | 8 (36.4) | 2 (20.0) | |
| Supine | 14 (63.6) | 8 (80.0) | |
| Laterality, n (%) | 0.3 | ||
| Left | 7 (31.8) | 6 (60.0) | |
| Right | 15 (68.2) | 4 (40.0) | |
| Adjuvant chemotherapy, n (%) | 0.8 | ||
| No | 20 (90.9) | 8 (80.0) | |
| Yes | 2 (9.1) | 2 (20.0) |
BMI: body mass index; IIEF-5: International Index of Erectile Function-5; RPLND: retroperitoneal lymph node dissection; RFs: risk factors; LN: lymph node