Table 5.
Patient characteristics per subgroup
| Patient characteristics. | |||
|---|---|---|---|
| requested SO group | Control group | p | |
| Included patients | 188 (100%) | 178 (100%) | |
| Sex | |||
| Males | 102 (54.3%) | 82 (46.1%) | 0.117 |
| Females | 86 (45.7%) | 96 (53.9%) | |
| Age (years) | |||
| Mean | 57.9 | 59.6 | |
| Median | 62 | 61 | 0.359 |
| Range | [15-86] | [18-92] | |
| Types of tumor | |||
| Soft tissue | 117 (62.2%) | 98 (55.1%) | |
| Bone tissue | 13 (6.9%) | 8 (4.5%) | 0.128 |
| Visceral tissue | 58 (30.9%) | 72 (40.4%) | |
| Localization | |||
| Upper limb | 15 (8.%) | 19 (10.7%) | |
| Lower limb | 45 (23.9%) | 31 (17.4%) | |
| Abdomen | 44 (23.4%) | 57 (32%) | |
| Thorax | 31 (16.5%) | 23 (12.9%) | 0.313 |
| Head and Neck | 16 (8.5%) | 13 (7.3%) | |
| Pelvis | 25 (13.3%) | 20 (11.2%) | |
| Retroperitoneum | 10 (5.3%) | 11 (6.2%) | |
| Axial skeleton | 1 (0.5%) | 0 (0%) | |
| Multiple localizations | 1 (0.5%) | 4 (2.2%) | |
| Grade | |||
| Grade I | 47 (25%) | 38 (21.3%) | |
| Grade II | 36 (19.1%) | 41 (23%) | |
| Grade III | 50 (26.6%) | 47 (26.4%) | 0.716 |
| Non applicable | 52 (27.2%) | 51 (28.7%) | |
| Unknown | 3 (1.6%) | 1 (0.6%) | |
| Histological subtypes | |||
| Liposarcoma | 37 (19.7%) | 19 (10.7%) | |
| NOS Sarcoma | 32 (17.0%) | 20 (11.2%) | |
| GIST | 23 (12.2%) | 42 (23.6%) | |
| Myxofibrosarcoma | 9 (4.8%) | 3 (1.7%) | |
| Leiomyosarcoma | 7 (3.7%) | 19 (10.7%) | |
| PNET/Ewing | 6 (3.2%) | 2 (1.1%) | |
| Rhabdomyosarcoma | 6 (3.2%) | 2 (1.1%) | < 0.001. |
| Chondrosarcoma | 6 (3.2%) | 3 (1.7%) | |
| Dermatofibrosarcoma | 4 (2.1%) | 16 (9.0%) | |
| protuberans | |||
| Uterine Leiomyosarcoma | 5 (2.7%) | 7 (3.9%) | |
| Osteosarcoma | 5 (2.7%) | 6 (3.4%) | |
| Kaposi Sarcoma | 5 (2.7%) | 13 (7.3%) | |
| Synovialosarcoma | 5 (2.7%) | 2 (1.1%) | |
| Angiosarcoma | 3 (1.6%) | 7 (3.9%) | |
| Unclassified malignant tumor | 7 (3.7%) | 7 (3.9%) | |
| Other | 28 (14.9%) | 10 (5.6%) | |