Table 3. Response rates by smoking status and gender.

Status	Partial	Stable	Progressive	ORR (%)
All patients (n=110)	35	15	60	32
Nonsmoker (n=66)	31	10	25	47
Smoker (n=44)	4	5	35	9
Female nonsmoker (n=48)	25	8	15	52
Male nonsmoker (n=18)	6	2	10	33
Female smoker (n=10)	0	2	8	0
Male smoker (n=34)	4	3	27	12
Chinese (102)	34	13	55	33
Malay (5)	1	2	2	25
Indian	0	0	3	0

ORR=overall response rate.