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. Author manuscript; available in PMC: 2011 Dec 30.
Published in final edited form as: Ann Surg. 2009 Dec;250(6):977–982. doi: 10.1097/sla.0b013e3181b2468b

Table 3.

Analysis of Disease-Specific Survival in 105 Completely Resected Retroperitoneal Liposarcoma Patients with a Local Recurrence

Variable P Value
(Univariate)		 P Value
(Multivariate)		 Hazard Ratio [95% CI]
(Multivariate)
Sex 0.860
Age (year) 0.186
Primary Grade High vs.
Low * 		<0.001 0.010 2.49 [1.25, 4.98]
Primary Subtype * <0.001
Primary Size (cm) 0.117
Primary Micro Margin 0.358
LR Resection
Incomplete/None vs.
Complete		 <0.001 0.010 2.70 [1.27, 5.77]
LR Size (cm) ^ <0.001
Time to LR (month) 0.010
LR Growth Rate
(cm/month) ^ 		<0.001 0.015 1.20 [1.04, 1.40]
*

Primary grade and primary subtype are highly correlated. Only the former was entered to the multivariate model as it is more significant in the univariate setting.

^

LR growth rate and LR size are highly correlated. Only the former was entered to the multivariate model as it is more significant in the univariate setting.