Table 1.

Clinicopathologic features for patients suffering SCLC (n = 60)

Variables		N (%)	Statistical analysis
			HR	95%CI	P
Age	<60	16(26.67)	1	0.297–1.558	0.362
	≥ 60	44(73.33)	0.681
Gender	Male	55(91.67)	1	0.900–8.409	0.076
	Female	5(8.33)	2.752
Smoking	Non-smoker	4(6.67)	1	0.603–4.697	0.321
	Smoker	56(93.33)	1.682
Tumor size	< 4 cm	24(40.00)	1	0.344–1.397	0.306
	≥ 4 cm	36(60.00)	0.693
Clinical stage	Limited disease	8(13.33)	1	0.072–0.831	0.024
	Extensive disease	52(86.67)	0.224

*represents p<0.05