Table 2 .
Single-factor survival analysis of retroperitoneal tumours
| Variable | Classification | Benign | Malignant | ||
|---|---|---|---|---|---|
| Cases | p value | Cases | p value | ||
| Sex | Male | 30 | 1.000 | 15 | 0.442 |
| Female | 46 | 10 | |||
| Complete resection | Complete resection | 68 | 0.038 | 17 | 0.638 |
| Palliative resection | 4 | 1 | |||
| Biopsy | 4 | 7 | |||
| Combined visceral resection | Yes | 13 | 0.200 | 6 | 0.345 |
| No | 63 | 19 | |||
| Tumour size | <5 cm | 9 | 1.000 | 3 | 1.000 |
| 5–10 cm | 41 | 8 | |||
| >10 cm | 26 | 14 | |||
| Recurrence | Yes | 2 | 1.000 | 6 | 1.000 |
| No | 74 | 19 | |||
| Surgical method | Laparotomy | 55 | 1.000 | 17 | 1.000 |
| Laparoscopic surgery | 17 | 1 | |||
| Adjuvant radiotherapy | Yes | / | / | 10 | 0.442 |
| No | / | 15 | |||
| Adjuvant chemotherapy | Yes | / | / | 15 | 1.000 |
| No | / | 10 | |||