. Author manuscript; available in PMC: 2013 Apr 18.

Published in final edited form as: Oncogene. 2011 Dec 5;31(42):4559–4566. doi: 10.1038/onc.2011.539

Table 1.

The KRAS-variant is Associated with Reduced Survival in Post-menopausal (>52 years of age) Ovarian Cancer Patients (n = 279)

Variable	HR	95% CI	P value
KRAS status	1.671	1.087 – 2.568	0.0192
Age	1.025	1.002 – 1.049	0.0307
Stage	1.380	1.185 – 1.607	<0.0001
Grade	1.341	0.912 – 1.972	0.1360
Histology	0.970	0.900 – 1.045	0.4168
Center ( Non-Yale vs. Yale)	1.868	1.438 – 2.427	<0.0001

HR: hazards ratio obtained from Cox proportional Hazards multivariate analysis

CI: confidence interval

Studies Included: Yale New Haven Hospital, Italy #1, Italy #2