Table 2. Univariate analysis of survival for ovarian cancer patients^*.

	Training Set (n = 82)			Validation Set (n = 82)
Variable	HR	95% CI	p	HR	95% CI	p
Age	1.01	0.98 -1.04	0.48	1.01	0.99 – 1.04	0.32
Race	0.66	0.26 – 1.72	0.4	0.86	0.38 -1.94	0.72
High-stage	32.47	4.34 – 243	<0.001	25.63	3.49 – 188.5	0.001
Serous histology	2.93	1.03 -8.37	0.04	1.65	0.73 -3.72	0.23
High CA125 (≥ 35 IU/mL)	4.26	1.01 – 17.88	0.05	3.68	0.89 – 15.31	0.07
High CFDNA (≥ 22,000 IU/mL)	3.67	1.87 – 7.31	<0.001	2.83	1.53 – 5.24	<0.001
η ≥ 0.45	4.31	2.08 – 8.89	<0.001	3.76	2.01 – 7.03	<0.001

^*Grade could not be evaluated since there were no deaths among patients with low-grade disease.