Table 1.

Relationship between NY-ESO-1 antibody positive rate and demographic features in SCLC

Variables	NY-ESO-1Ab		P-value
	Positive (n)	Negative (n)
Gender			0.371
Male	14	33
Female	1	9
Age (Years)			1.00
> 65	3	7
≤ 65	12	35
Smoking history daily quantity			0.142
> 20	7	27
≤ 20	8	15
Time (year)			1.00
≥ 20	11	30
< 20	4	2
Stage			0.38
LD-SCLC	7	10
ED-SCLC	8	32
Stage (TNM)			0.138
I	5	6
II	8	24
III	1	8
IV	1	4
Distant metastasis			0.986
Negative	10	30
Positive	5	12