3.

151例患者无进展生存期的单因素分析s

Univariate analysis of progresion free survival (PFS) of 151 patients

Factor		PFS/month	95%CI	χ2	P
#: Have one case lost in this factor analysis. *: Have five cases lost in this factor analysis. **: Have nine cases lost in this factor analysis. ##: Have nine cases lost in this factor analysis.
Gender				2.930	0.087
	Male	14.0	8.68-19.32
	Female	23.1	19.04-27.10
Age (yr)				0.001	0.977
	< 60	18.2	11.12-25.22
	≥60	19.6	14.25-25.01
Smoke				0.088	0.767
	No	19.3	13.95-24.71
	Yes	16.5	10.40-22.60
History of tumor				0.105	0.746
	No	19.2	14.64-23.70
	Yes	12.7	2.92-22.48
Family history of tumor				4.361	0.037
	No	19.3	14.88-23.79
	Yes	16.5	4.44-28.56
Performance status				0.874	0.350
	0	19.2	14.77-23.57
	1	19.6	12.29-26.97
Stage Ⅲa				0.023	0.880
	T4N0/T3-4N1	14.9	8.94-20.86
	T1-3N2	19.8	14.78-24.88
Histology				0.393	0.531
	Squamous	16.5	10.05-22.95
	Non-squamous	19.8	15.05-24.61
Differentiation				2.101	0.552
	Poor	14.9	8.42-21.38
	Mediate	19.3	12.27-26.39
	High	20.1	14.40-25.80
	Unknown	15.8	0.87-30.79
Adjuvant chemotherapy				2.399	0.121
	None	14.2	5.96-22.44
	Yes	19.6	14.56-24.70
Adjuvant radiotherapy				3.040	0.081
	None	14.0	9.31-18.69
	Yes	20.0	16.78-23.29
Style of surgery#				0.247	0.619
	Lobectomy	19.3	14.36-24.30
	Pneumonectomy	14.9	12.39-17.41
Maximum diameter of tumor*				5.628	0.018
	< 4 cm	21.8	17.74-25.92
	≥4 cm	13.2	9.57-16.83
Number of involved mediastinal lymph nodes**				0.699	0.403
	< 3	19.3	14.47-24.19
	≥3	16.0	7.55-24.46
Positive subcarinal lymph node##				0.159	0.690
	No	16.0	11.13-20.87
	Yes	21.3	13.83-28.83