Table 3. Multivariant analyses of progression free survival.

	95%CI
	HR	Lower	Upper	p
Gender	1.996	0.823	4.842	0.127
ECOG	1.610	0.344	7.534	0.545
Smoking history	0.981	0.397	2.425	0.967
MWA	1.132	0.522	2.457	0.753
Response	0.619	0.295	1.301	0.206