1.

310例患者中手术与非手术组的临床特征

Clinical characteristics of surgical and non-surgical groups of 310 patients

Characteristics		Surgical group	Non-surgical group	χ2	P
*: Have 43 cases lost in this factor analysis.
Gender				0.861	0.354
	Male	133	91
	Female	56	30
Age (yr)				0.053	0.818
	< 60	90	56
	≥60	99	65
Smoke				2.755	0.097
	No	77	38
	Yes	112	83
History of tumor				0.035	0.851
	No	176	112
	Yes	13	9
Family history of tumor				2.790	0.095
	No	150	86
	Yes	39	35
Performance status				13.203	0.001
	0	155	80
	1	34	37
	2	0	4
TNM stage				79.362	< 0.001
	Ⅲa	152	36
	Ⅲb	37	85
Histology				1.853	0.173
	Squamous	85	64
	Non-squamous	104	57
Differentiation*				4.581	0.101
	Poor	84	55
	Moderate	76	32
	High	16	4