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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Ann Surg Oncol. 2017 Jul 24;24(11):3252–3263. doi: 10.1245/s10434-017-6019-8

Table 4. Multivariable Predictors of Survival- Grade 3 and 4.

Hazard Ratio p-value [95% Conf Interval]
Age 1.0120 0.000 1.0106 1.0134
Sex
Male Reference
Female 0.9321 0.000 0.9036 0.9614
Race
White Reference
Black 1.0960 0.001 1.0391 1.1559
American Indian, Aleutian or Eskimo 1.1396 0.298 0.8910 1.4576
Asian 1.1148 0.057 0.9968 1.2467
Pacific Islander 1.1473 0.181 0.9382 1.4031
Other 1.1983 0.072 0.9836 1.4598
Unknown 0.9130 0.188 0.7973 1.0455
Facility Type
Community Cancer Program Reference
Comprehensive Community Cancer Program 0.9748 0.483 0.9079 1.0467
Academic/Research Program 1.0254 0.477 0.9569 1.0989
Integrated Network Cancer Program 0.9861 0.763 0.9005 1.0799
Unknown 1.2577 0.000 1.1475 1.3785
Histology
Sarcoma, NOS Reference
Ewing's sarcoma 1.0035 0.961 0.8738 1.1524
Epithelioid sarcoma 1.0887 0.241 0.9446 1.2547
High grade undifferentiated pleomorphic sarcoma 0.7654 0.000 0.7310 0.8014
Fibrosarcoma 0.9112 0.003 0.8561 0.9698
Solitary fibrous tumor 0.9660 0.765 0.7696 1.2124
Dermatofibrosarcoma protuberans 0.7368 0.014 0.5783 0.9389
Liposarcoma, NOS 0.7990 0.000 0.7158 0.8918
Liposarcoma, well differentiated 0.8663 0.427 0.6080 1.2344
Myxoid liposarcoma 0.7606 0.000 0.6817 0.8486
Round cell liposarcoma 0.7114 0.000 0.5917 0.8554
Pleomorphic liposarcoma 0.8079 0.000 0.7405 0.8815
Dedifferentiated liposarcoma 0.8865 0.004 0.8164 0.9626
Leiomyosarcoma 0.8588 0.000 0.8162 0.9036
Vascular sarcoma 1.1261 0.007 1.0324 1.2282
Rhabdomyosarcoma 0.9454 0.351 0.8403 1.0637
Synovial sarcoma 0.9688 0.443 0.8933 1.0506
Clear cell sarcoma 1.0210 0.880 0.7797 1.3371
Chondrosarcoma 0.9042 0.234 0.7658 1.0675
Malignant giant cell tumor 0.5523 0.006 0.3630 0.8402
Malignant peripheral nerve sheath tumor 1.0622 0.147 0.9789 1.1525
Alveolar soft part sarcoma 0.6916 0.110 0.4397 1.0877
Grade
Grade 3 Reference
Grade 4 1.0136 0.402 0.9821 1.0460
Tumor Size 1.0004 0.000 1.0003 1.0005
Charlson-Deyo Score
no comorbid conditions Reference
1 comorbid condition 1.1577 0.000 1.1190 1.1979
>1 comorbid condition 1.4249 0.000 1.3335 1.5226
Radiation-Surgery Sequence
No radiation therapy Reference
Radiation therapy before surgery 0.8936 0.000 0.8519 0.9373
Radiation therapy after surgery 0.7649 0.000 0.7395 0.7911
Chemotherapy
No chemotherapy Reference
Received chemotherapy 0.9868 0.518 0.9479 1.0273
Unknown 0.8417 0.000 0.7654 0.9255
Margin Status
R0 Reference
R1 1.2057 0.000 1.1472 1.2671
R2 1.3518 0.000 1.2776 1.4303