Table 1 Characteristics of patients with metastatic osteosarcoma included in this study
Characteristics | Total | Regional dissection | Non-regional dissection |
|---|---|---|---|
398 (100%) | 116 (29.15%) | 282 (70.85%) | |
Sex | |||
Female | 160 (40.20%) | 51 (43.97%) | 109 (38.65%) |
Male | 238 (59.80%) | 65 (56.03%) | 173 (61.35%) |
Race | |||
White | 307 (77.14%) | 94 (81.03%) | 213 (75.53%) |
Black | 59 (14.82%) | 12 (10.34%) | 47 (16.67%) |
Other race | 32 (8.04%) | 10 (8.62%) | 22 (7.80%) |
Age | |||
<18 | 221 (55.53%) | 38 (32.76%) | 183 (64.89%) |
18-65 | 147 (36.93%) | 62 (53.45%) | 85 (30.14%) |
>=65 | 30 (7.54%) | 16 (13.79%) | 14 (4.96%) |
Grade | |||
Well/moderate | 11 (2.76%) | 5 (4.31%) | 6 (2.13%) |
Poorly/undifferentiated | 290 (72.86%) | 76 (65.52%) | 214 (75.89%) |
Unknown | 97 (24.37%) | 35 (30.17%) | 62 (21.99%) |
T Stage | |||
T1 | 67 (16.83%) | 21 (18.10%) | 46 (16.31%) |
T2 | 220 (55.28%) | 44 (37.93%) | 176 (62.41%) |
T3 | 26 (6.53%) | 9 (7.76%) | 17 (6.03%) |
Tx | 85 (21.36%) | 42 (36.21%) | 43 (15.25%) |
Chemotherapy | |||
No/unknown | 26 (6.53%) | 12 (10.34%) | 14 (4.96%) |
Yes | 372 (93.47%) | 104 (89.66%) | 268 (95.04%) |
Radiation | |||
No/unknown | 334 (83.92%) | 79 (68.10%) | 255 (90.43%) |
Yes | 64 (16.08%) | 37 (31.90%) | 27 (9.57%) |
Location | |||
Extremity | 326 (81.91%) | 71 (61.21%) | 255 (90.43%) |
Other | 72 (18.09%) | 45 (38.79%) | 27 (9.57%) |