Table 2.

Multivariate analysis

	OS
	HR (95% CI)	P
Platinum sensitive
No	Ref.
Yes	0.59 (0.32–1.11)	0.102
Prior lines of chemotherapy
1–3	Ref.
4–5	3.82 (1.68–8.72)	0.001
Performance status
0–1	Ref.
2	2.93 (1.63–5.28)	< 0.001
NLR
Low	Ref.
High	2.17 (1.21–3.88)	0.009

Multivariate Cox regression analysis. Hazard ratios (HR) derived from multivariate Cox regression analysis. NLR cut-off defined from the median (4.1)