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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: Cancer. 2010 Feb 1;116(3):670–675. doi: 10.1002/cncr.24813

Table 3.

Multivariate Survival Analysis

Smoking Status Adjusted HR*
(95%CI)
p
Current + Former vs. Never 1.36 (1.16 to 1.60) <0.001

≤ 15 pack year vs. Never 1.15 (0.92 to 1.43) 0.22

>15 pack years vs. ≤15 pack years 1.23 (1.03 to 1.48) 0.02

>15 pack year vs. Never 1.42 (1.20 to 1.67) <0.001

HR, hazard ratio

*

Adjusted for age, sex, Karnofsky Performance Status, and weight loss > 5%. HR >1.00 indicates worse survival.