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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 3. Predictors of Overall Survival.

Hazard Ratio p-value [95% Conf Interval]
Age 1.0105 0.000 1.0094 1.0115
Sex
Male Reference
Female 0.9311 0.000 0.9092 0.9535
Race
White Reference
Black 1.0681 0.001 1.0260 1.1118
American Indian, Aleutian or Eskimo 1.1644 0.135 0.9535 1.4221
Asian 1.1191 0.009 1.0284 1.2179
Pacific Islander 1.0792 0.306 0.9327 1.2486
Other 1.2171 0.005 1.0613 1.3957
Unknown 0.8870 0.017 0.8039 0.9786
Facility Type
Community Cancer Program Reference
Comprehensive Community Cancer Program 0.9622 0.172 0.9104 1.0169
Academic/Research Program 0.9982 0.948 0.9459 1.0534
Integrated Network Cancer Program 0.9692 0.385 0.9031 1.0401
Unknown 1.2379 0.000 1.1556 1.3262
Histology
Sarcoma, NOS Reference
Ewing's sarcoma 0.9604 0.553 0.8403 1.0976
Epithelioid sarcoma 1.0373 0.564 0.9159 1.1749
High grade undifferentiate
pleomorphic sarcoma 0.7603 0.000 0.7292 0.7927
Fibrosarcoma 0.9256 0.001 0.8833 0.9699
Solitary fibrous tumor 0.9190 0.249 0.7961 1.0609
Dermatofibrosarcoma protuberans 1.0397 0.496 0.9296 1.1629
Liposarcoma, NOS 0.8076 0.000 0.7570 0.8616
Liposarcoma, well differentiated 0.8506 0.000 0.8019 0.9023
Myxoid liposarcoma 0.8806 0.000 0.8304 0.9338
Round cell liposarcoma 0.7276 0.000 0.6232 0.8496
Pleomorphic liposarcoma 0.8395 0.000 0.7732 0.9114
Dedifferentiated liposarcoma 0.9385 0.086 0.8730 1.0091
Leiomyosarcoma 0.8876 0.000 0.8518 0.9248
Vascular sarcoma 1.2166 0.000 1.1305 1.3092
Rhabdomyosarcoma 0.9758 0.669 0.8720 1.0919
Synovial sarcoma 0.9581 0.219 0.8949 1.0257
Clear cell sarcoma 1.0107 0.928 0.8028 1.2723
Chondrosarcoma 0.8556 0.001 0.7798 0.9387
Malignant giant cell tumor 0.6312 0.008 0.4482 0.8891
Malignant peripheral nerve sheath tumor 1.0179 0.604 0.9519 1.0884
Alveolar soft part sarcoma 0.7108 0.083 0.4829 1.0462
Grade
Grade 1 Reference
Grade 2 1.1095 0.000 1.0639 1.1570
Grade 3 1.3232 0.000 1.2716 1.3769
Grade 4 1.3475 0.000 1.2910 1.4064
Tumor Size 1.0003 0.000 1.0002 1.0004
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 0.9444 0.005 0.9075 0.9828
Radiation therapy after surgery 0.8025 0.000 0.7814 0.8243
Chemotherapy
No chemotherapy Reference
Received chemotherapy 0.9798 0.271 0.9448 1.0161
Unknown 0.8271 0.000 0.7688 0.8897
Margin Status
R0 Reference
R1 1.1438 0.000 1.1024 1.1869
R2 1.2412 0.000 1.1889 1.2957