Improving Long-Term Outcomes for Patients with Extra-Abdominal Soft Tissue Sarcoma Regionalization to High-Volume Centers, Improved Compliance with Guidelines or Both?
Table 5
Multivariable analysis for margin negative surgery.
Variable
Comparison
aOR
95% CI
value
Volume
2nd versus 1st tercile
1.26
1.08
1.47
0.003
3rd versus 1st tercile
1.77
1.51
2.08
<0.001
Age
Per 1-year older
0.98
0.98
0.99
<0.001
Site
Head/neck versus extremity
0.67
0.50
0.89
0.005
Overlapping versus extremity
0.68
0.49
0.95
0.03
Trunk versus extremity
0.92
0.80
1.06
0.25
Tumor size
5–10 cm versus < 5 cm
0.55
0.47
0.66
<0.001
>10 cm versus < 5 cm
0.37
0.32
0.45
<0.001
Grade
Moderately differentiated versus well differentiated
1.11
0.88
1.40
0.37
Poorly differentiated versus well differentiated
1.02
0.84
1.23
0.86
Undifferentiated versus well differentiated
0.98
0.79
1.21
0.85
Cell type not determined versus well differentiated
