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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: J Am Coll Surg. 2012 Nov;215(5):643–651. doi: 10.1016/j.jamcollsurg.2012.07.006

Table 3.

Cancer specific and overall survival (overall)

Cancer specific survival Overall survival
Unadjusted HR (95% CI) p-value PS-adjusted HR″ (95% CI) p-value Unadjusted HR (95% CI) p-value PS-adjusted HR″ (95% CI) p-value
Definitive RT versus others (reference) 1.65 (1.48–1.84) <0.001 1.48 (1.31–1.67) <0.001 1.65 (1.49–1.82) <0.001 1.46 (1.31–1.63) <0.001
Surgery+RT versus surgery only (reference) 0.75 (0.63–0.89) 0.001 0.76 (0.63–0.92) 0.005 0.71 (0.61–0.83) <0.001 0.75 (0.63–0.89) 0.001
Preoperative RT vs. postoperative RT (reference) 0.81 (0.63–1.06) 0.12 0.89 (0.67–1.17) 0.39 0.83 (0.65–1.05) 0.11 0.91 (0.71–1.16) 0.45

Included into the propensity score calculation: gender, age, race, ethnicity, marital status, tumor grade, tumor location, T-stage, N-stage, and year of diagnosis (5 groups).

*

Covariates: propensity score, gender, age, race, ethnicity, marital status, tumor grade, tumor location, T-stage, N-stage, and year of diagnosis (5 groups).