Table 2.

Gradational analysis of ORR and DCR

Characters	ORR(%)	P value	DCR(%)	P value
Gender
Male	13.3	0.033	52.6	0.019
Female	40.0		84.6
Age(year)
< 70	34.3	1.000	71.4	1.000
≥70	30.0		70.0
Smoking status
Smokers	17.6	0.082	58.8	0.281
Nonsmokers	42.9		78.6
Tumor histology
Adeno. And BAC	43.3	0.044	83.3	0.027
Non-adeno.	13.3		46.7
Stage
IIIb	28.6	0.909	78.6	0.699
IV	35.5		67.7
PS value
≤ 2	37.5	0.561	75.5	0.589
3~4	23.1		61.5