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Table 1 Clinicopathologic and treatment characteristics (N = 2827)

From: Development of nomograms for prognostication of patients with primary soft tissue sarcomas of the trunk and extremity: report from the Bone and Soft Tissue Tumor Registry in Japan

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)
  1. CI confidence interval, MLS myxoid liposarcoma, LMS leiomyosarcoma, DDLS dedifferentiated liposarcoma, MPNST malignant peripheral nerve sheath tumor, MFS myxofibrosarcoma, SySa synovial sarcoma, UPS undifferentiated pleomorphic sarcoma, PLS pleomorphic liposarcoma, NA not available