Table 2 Patient, tumor, and treatment characteristics
| Number of patients (%) | |
|---|---|
| 166 | |
| Median age |
Smoking: 60 Non-smoking: 55 |
| Smoking |
No: 109 (65.6) Yes: 57 (34.4) |
| Current smoker |
No: 143 (86.1) Yes: 23 (13.9) |
| Cardiovascular disease |
No: 143 (86.1) Yes: 23 (13.9) |
| Lung disease |
No: 147 (88.6) COPD: 18 (10.8) Primary malignancy: 1 (0.6) |
| Diabetes mellitus |
No: 145 (87.3) Yes: 21 (12.7) |
| Grade |
Low: 16 (9.6) Intermediate: 50 (30.1) High: 100 (60.2) |
| Histology |
Undifferentiated/MFH: 45 (27.1) Liposarcoma: 33 (19.9) Synovial cell: 33 (19.9) Myxofibrosarcoma: 23 (13.9) Leiomyosarcoma: 15 (9.0) MPNST: 6 (3.6) Extraskeletal myxoid chondrosarcoma: 4 (2.4) Fibrosarcoma: 3 (1.8) Solitary fibrous: 3 (1.8) Clear cell: 1 (0.6) |
| Stage |
I: 24 (14.4) II: 25 (15.1) III: 117 (70.5) |
| Karnofsky performance status |
80–100: 141 (84.9) ≤ 70: 25 (15.1) |
| Tumor location |
Upper extremity: 39 (23.5) Lower extremity: 127 (76.5) |
| Distant lung metastasis | 42 (25.3) |
| Tumor size |
< 10 cm: 94 (56.6) ≥ 10 cm: 72 (43.4) |
| Chemotherapy |
No: 107 (64.5) Yes: 59 (35.5) |