Table 2. Univariate and multivariate Cox-regression analysis of various prognostic parameters in patients with SCLC.

Variable	Univariate analysis			Multivariate analysis
	p	HR (95%CI)		p	HR (95%CI)
ESRP1	0.02*	0.52(0.30-0.90)		0.193	0.59(0.27-1.30)
Age	0.766	0.99(0.90-1.08)		0.423	1.05(0.93-1.18)
Sex	0.417	1.79(0.44-7.30)		0.653	0.62(0.07-5.08)
Disease stage	0.002*	27.54(3.32-228.5)		0.016*	17.81(1.72-184.9)
Smoking history	0.155	2.78(0.68-11.34)		0.065	9.38(0.87-100.9)

(*represents statistically significant differences (p < 0.05)).