Skip to main content
. Author manuscript; available in PMC: 2012 Oct 9.
Published in final edited form as: J Thorac Oncol. 2010 Oct;5(10):1529–1535. doi: 10.1097/JTO.0b013e3181e9a00f

TABLE 3.

Association Between Subject Characteristics and Overall Survival

Univariate Analysis Multivariate Analysis


Patient Characteristics Hazard Ratio
for Death
95% CI p Overall
p Value
Hazard Ratio for
Death
95% CI p Overall
p Value
Age 0.84 0.06
    <65 yr 1.02 0.87–1.20 1.23 0.99–1.53
    ≥65 yr Reference Reference
Gender 0.02 0.04
    Male Reference Reference
    Female 0.84 0.72–0.98 0.85 0.72–0.99
Race 0.53 0.94
    White Reference Reference
    Non-white 1.05 0.90–1.22 0.99 0.85–1.16
Insurance type <0.001 0.23
    No insurance 1.38 1.14–1.67 <0.001 1.08 0.89–1.32 0.44
    Medicaid 1.21 0.87–1.68 0.28 1.18 0.84–1.65 0.33
    Medicare 1.25 1.02–1.54 0.04 1.29 1.00–1.66 0.05
    Private insurance Reference Reference
Year of diagnosis 0.45 0.33
    2000–2003 Reference Reference
    2004–2007 1.06 0.91–1.24 1.08 0.93–1.27
Chemotherapy administration <0.001 <0.001
    Yes Reference Reference
    No 2.64 2.26–3.08 2.81 2.38–3.31

CI, confidence interval.