Table 2.

Univariate analysis of survival-related factors in serous ovarian cancer

Variable	Progression-free survival (OR, 95% CI)*		Overall survival (OR, 95% CI)*
Age	1.01	1.00–1.02	1.01	1.00–1.02
FIGO stage
I	1.00	(reference)	1.00	(reference)
II	2.25	0.85–5.12	1.85	0.70–4.84
III	2.84	1.43–5.95	3.51	1.67–7.58
IV	3.28	1.52–6.87	4.87	2.25–8.83
Grade	1.87	1.25–2.90	2.30	1.68–3.81
Ascites#
< 500 mL	1.00	(reference)	1.00	(reference)
≥ 500 mL	1.75	0.79–6.23	1.15	0.70–5.97
Surgery outcome
Optimal	1.00	(reference)	1.00	(reference)
Suboptimal	2.97	1.48–7.09	3.54	2.10–5.08
NAC
Yes	1.00	(reference)	1.00	(reference)
No	1.15	0.74–3.28	1.10	0.70–4.27
Baseline CA-125†	1.01	1.00–1.02	1.01	1.00–1.02

OR, 95%CI*, odds ratio, 95% 95% confidence interval

Ascites^#, ascites volume was estimated by ultrasound at diagnosis

Baseline CA-125^†, Serum CA-125 concentration at diagnosis