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. Author manuscript; available in PMC: 2014 Sep 5.
Published in final edited form as: Ann Surg Oncol. 2011 Nov 2;19(5):1535–1540. doi: 10.1245/s10434-011-2117-1

Table 2.

Univariate and Multivariate Analysis. A. Univariate Analysis of LC, DFS, and OS. B. Multivariate Analysis of OS

A.
LC DFS OS
Characteristic p value Hazard ratio p value Hazard ratio p value Hazard Ratio
Grade
Well/Moderate
 Poor		 0.713 1.20 0.838 0.93 0.015 0.55
Age, y
 <65
 ≥65		 0.754 1.12 0.182 1.44 0.031 1.62
T stage
 T1/T2
 T3/T4		 0.207 1.55 0.005 2.14 0.024 1.64
Nodal Stage
 N0/unknown
 N1		 0.766 0.89 0.287 1.35 0.069 1.52
Stage grouping
 IA-IIA
 ≥ IIB		 0.622 1.21 0.005 2.21 0.011 1.77
B.
Characteristic p value Hazard ratio
Grade
 Well/Moderate
 Poor		 0.0009 0.39
Age, y
 <65
 ≥65		 0.016 1.81
Stage grouping
 IA-IIA
 ≥ IIB		 0.026 1.7
RT
 Yes
 No 		0.0053 0.41
Surgery Year 0.64 0.99