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. Author manuscript; available in PMC: 2015 Feb 16.
Published in final edited form as: Cancer. 2007 Jul 1;110(1):173–178. doi: 10.1002/cncr.22784

TABLE 3.

Multivariable Model Results for Overall and Recurrence-Free Survival

Hazard ratio 95% CI P
Overall survival
 Prior radiation (yes vs no) 2.71 0.39, 18.86 .31
 Age at diagnosis (continuous) 0.98 0.95, 1.02 .39
 Tumor size (continuous) 1.34 1.09, 1.65 .006
 Any chemotherapy (yes vs no) 0.67 0.22, 2.05 .48
Recurrence-free survival
 Prior radiation (yes vs no) 1.56 0.26, 9.22 .63
 Age at diagnosis (continuous) 0.97 0.94, 1 .09
 Tumor size (continuous) 1.18 1, 1.39 .05
 Any chemotherapy (yes vs no) 0.47 0.19, 1.18 .11

CI indicates confidence interval.