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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 5.

Analysis of Second Local Recurrence-Free Survival in 61 Patients with a Locally Recurrent Retroperitoneal Liposarcoma Completely Resected

Variable P Value
(Univariate)		 P Value
(Multivariate)		 Hazard Ratio [95% CI]
(Multivariate)
Sex 0.180
Age (year) 0.095
Primary Grade 0.848
Primary Subtype 0.710
Primary Size (cm) 0.836
Primary Micro Margin 0.198
LR Grade High vs. Low 0.063 0.390 1.36 [0.67, 2.74]
LR Subtype 0.066
LR Size (cm) ^ 0.002
Time to LR (month) 0.117
LR Growth Rate
(cm/month) ^ 		<0.001 <0.001 2.70 [1.71, 4.27]
^

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.