Table 1. Clinical characteristics of 56 patients with SCLC according to the ESRP1 expression level.

Variable	ESRP1		p value
	Low	High
Age, years, ≤62: >62	8:20	9:19		0.084
Sex, male: female	21:7	23:5		0.424
Smoking history, Yes: No	17:11	17:11		0.000*
Disease stage, LD: ED	15:13	15:13		0.000*
Status, Survival: Death	18:10	26:2		0.02*

Used χ² test to test the correlation between two variables (*represents statistically significant differences (p < 0.05)).

LD limited-stage diseases, ED extensive-stage disease.