3.

99例EGFR突变患者的单因素分析

Univariate analysis of PFS in 99 mutation patients

Variables	PFS (months)	95%CI	P
PFS: progression-free survival.
Age (year)			0.545
< 70	8.7	4.6-12.7
≥70	16.0	9.0-22.9
Gender			0.845
Male	10.5	4.0-16.9
Female	11.6	3.9-19.2
Smoking characteristics			0.348
Yes	7.0	0-16.5
No	10.8	5.3-16.3
Performance status			0.051
0-1	10.6	2.4-16.8
≥2	10.0	2.8-18.2
Histology			0.427
Adenocarcinoma	10.8	5.5-16.1
Non-adenocarcinoma	4.0	2.4-5.6
Prior chemotherapy			0.170
0	12.9	5.2-20.6
≥1	7.5	1.8-13.2