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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2010 Oct 6;81(3):706–711. doi: 10.1016/j.ijrobp.2010.06.060

Table 2.

Propensity Score Analysis: Risk of Death for Patients Treated with Complex vs. Intermediate Radiation Therapy Planning

Analytic Method Overall Survival Lung Cancer-specific
Survival

Hazard Ratio 95% CI†† Hazard Ratio 95% CI
Entire sample* 0.84 0.75–0.95 0.81 0.71–0.93
Entire sample, propensity score quintiles 0.84 0.74–0.95 0.81 0.71–0.93
Matched sample 0.82 0.73–0.92 0.78 0.68–0.90
*

The hazard ratio for the entire sample was adjusted for propensity score

Represent the hazard or death for a patient treated with complex compared with intermediate radiotherapy planning

††

CI denotes confidence interval