Table 1: Patient clinical and demographic characteristics categorized by receipt of perioperative radiation.

Resection aloneResection + radiation therapy

Median age (IQR)61 [52–70]59 [51–68]0.002
Female sex53.0%53.2%0.939
Race0.034
 Caucasian84.4%80.9%
 African American9.7%13.3%
 Others5.9%5.8%
Charlson-Deyo score0.607
 082.2%83.2%
 117.8%16.8%
Facility type<0.001
 Nonacademic31.5%40.3%
 Academic/research62.9%52.1%
 Missing5.6%7.6%
Histology<0.001
 Liposarcoma67.1%46.4%
 Leiomyosarcoma21.5%35.8%
 Undifferentiated Pleomorphic
 Sarcoma2.0%3.2%
 Sarcoma, NOS9.3%14.7%
Operation0.514
 Simple/partial resection28.5%26.1%
 Total resection23.9%25.7%
 Debulking4.9%5.8%
 Radical resection42.6%42.4%
Chemotherapy<0.001
 No chemotherapy86.7%79.8%
 Chemotherapy10.7%16.9%
 Missing2.7%3.3%
Median tumor size (IQR) (cm)19.0 [12.0–29.0]15.0 [9.0–20.6]<0.001
Tumor size category<0.001
 <15 cm36.8%52.5%
 >15 cm63.2%47.5%
Grade<0.001
 Low48.8%36.3%
 High40.3%51.9%
 Missing10.9%11.8%
Margin status<0.001
 Negative52.6%51.7%
 Positive32.1%39.6%
 Missing15.3%8.7%
30-day readmission (unplanned)6.1%5.0%<0.001
Median hospital stay (days)660.177
90-day mortality4.3%2.1%0.013
Median OS (months)82.795.8<0.001
Interval survival (95% CI)
 1 year88.3%92.7%
 2 year80.1%84.2%
 3 year71.7%74.9%
 5 year58.9%61.6%
 10 yearNR4.0%