. 2017 Jan 20;20(1):47–54. [Article in Chinese] doi: 10.3779/j.issn.1009-3419.2017.01.07

2.

Ⅰ期肺腺癌患者的Kaplan-Meier法单因素分析

Univariate analysis of stageⅠ lung adenocarcinoma by Kaplan-Meier method

Variables	DFS		OS
	χ²	P	χ²	P
DFS: disease free survival; OS: overall survival.
Gender	2.319	0.128	0.049	0.824
Age (yr)	3.689	0.297	73.552	0.017
BMI (kg/m²)	21.650	＜0.001	14.991	0.005
Symptom	2.393	0.122	3.028	0.082
Smoking history	0.214	0.643	0.661	0.461
Tumor site	9.851	0.080	4.375	0.499
Tumor size (cm)	16.337	＜0.001	5.857	0.053
Surgical method	0.841	0.359	4.291	0.038
VPI	4.522	0.033	1.025	0.311
NLNS	37.461	＜0.001	2.732	0.950