Table 1 Clinicopathologic and treatment characteristics (N = 2827)
Characteristic | Number of patients (%) | |
|---|---|---|
Age, years | mean [SD] | 60.2 [17.3] |
< 30 | 177 (6.3) | |
30–49 | 572 (20.2) | |
50–69 | 1094 (38.7) | |
70- | 984 (34.8) | |
Sex | Male | 1573 (55.6) |
Female | 1254 (44.4) | |
Site | Upper extremity | 482 (17.0) |
Lower extremity | 1871 (66.2) | |
Trunk | 474 (16.8) | |
Depth | Superficial | 782 (27.7) |
Deep | 2045 (72.3) | |
Histological diagnosis | MLS | 349 (12.3) |
LMS | 280 (9.9) | |
DDLS | 209 (7.4) | |
MFS | 130 (4.6) | |
MPNST | 347 (12.3) | |
SySa | 170 (6.0) | |
UPS | 779 (27.6) | |
Angiosarcoma | 21 (0.7) | |
PLS | 78 (2.8) | |
Others | 464 (16.4) | |
Histological grade | Low | 546 (19.3) |
High | 2281 (80.7) | |
Size, cm | mean [SD] | 8.7 [5.7] |
5 cm< | 749 (31.8) | |
5 cm≤,< 10 cm | 990 (42.1) | |
10 cm≤ | 614 (26.1) | |
Nodal metastasis | Negative | 2782 (98.4) |
Positive | 45 (1.6) | |
Surgical margin | Negative | 2674 (94.6) |
Positive | 153 (5.4) | |
Chemotherapy | Neoadjuvant | 226 (8.0) |
Adjuvant | 603 (21.3) | |
Not done | 1998 (70.7) | |
Radiotherapy | Neoadjuvant | 64 (2.3) |
Adjuvant | 552 (19.5) | |
Not done | 2210 (78.2) | |
NA | 1 (0) | |