Table 2.

Hazard ratio estimates of the effect of rurality on overall survival in ovarian cancer patients from Cox proportional hazard regression model stratified by site and adjusted for clinical covariates

	HR	95% CI	P-Value
Stage (advanced)	5.46	2.95, 10.08	<0.0001
Age/10 years	1.31	1.15, 1.49	<0.0001
Cytoreduction (suboptimal)	1.32	0.98, 1.79	0.069
Histology (serous)	1.04	0.68, 1.59	0.86
Comorbidities
1 vs. none	1.12	0.79, 1.59	0.52
2 or more vs. none	0.67	0.32, 1.39	0.28
Body Mass Index/5 points	1.05	0.94, 1.17	0.37
Rural (vs. Urban) Residence	1.39	1.04, 1.85	0.026

n=337, 200 events, 137 censored (5 missing covariates; 2 in rural, 3 in urban)