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. Author manuscript; available in PMC: 2017 Feb 1.
Published in final edited form as: Lung Cancer. 2015 Nov 10;92:29–34. doi: 10.1016/j.lungcan.2015.11.004

Table 4.

Multivariate analysis of progression free survival (A) and overall survival (B) for KRAS versus pan-mutation negative patients.

A. Progression-free survival
Variable HR p-value
KRAS 1.56 (95% CI: 1.09-2.23) 0.015
Sex (W vs M) 1.30 (95% CI: 0.91-1.85) 0.152
Smoking (Y vs N) 1.64 (95% CI: 0.92-2.93) 0.091
B. Overall survival
Variable HR p-value
KRAS 1.73 (95% CI: 1.12-2.67) 0.014
Sex (W vs M) 1.67 (95% CI: 1.07-2.61) 0.025
Smoking (Y vs N) 1.34 (95% CI: 0.68-2.63) 0.399