Table 2. Survival analysis in patients with epithelial ovarian cancer.

	Overall survival
Parameters	Univariatea HR (95% CI)	Multivariablea HR (95% CI)
Tumour stage
FIGO I (reference)	1	1
FIGO II	0.93 (0.35–2.52)	0.80 (0.26–2.44)
FIGO III	5.77 (3.53–9.43)	2.73 (1.52–4.92)
FIGO IV	8.37 (4.87–14.41)	3.73 (1.92–7.25)
Histological grade
G1 (reference)	1	1
G2	4.15 (2.37–7.25)	2.51 (1.20–5.25)
G3	5.57 (3.24–9.59)	2.78 (1.32–5.84)
Residual tumour
(yes vs no)	3.67 (2.73–4.93)	2.68 (1.89–3.80)
Patient's age
(per 10 years)	1.58 (1.42–1.76)	1.56 (1.35–1.81)
GGT
Group A (reference)	1	1
Group B	1.34 (1.00–1.83)	1.18 (0.82–1.71)
Group C	1.11 (0.72–1.69)	0.90 (0.54–1.49)
Group D	2.92 (1.82–4.68)	3.37 (1.88–6.04)

Abbreviation: GGT=gamma-glutamyl transferase; FIGO=International Federation of Gynecologists and Obstetricians, HR (95% CI)=hazard ratio (95% confidence interval).

^aCox Regression model.