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281例Ⅰb期肺癌患者生存单因素分析结果

Results of univariate analysis of postoperative survival in the 281 patients with stage Ⅰb lung cancer

Clinical features		Counts	Percentage (%)	The median survival	Standard error (E)	Log-rank/χ2	P
*P < 0.05; **P < 0.01.
Gender						0.389	0.533
	Male	158	56.23	84.744	3.191
	Female	123	43.77	90.152	3.745
Blood transfusion						0.046	0.830
	Positive	65	23.13	86.732	4.776
	Negative	216	76.87	85.616	2.718
Operation methods						12.74	0.026*
	Upper left lobe	82	29.18	82.597	4.842
	Lower left lobe	40	14.23	100.111	3.752
	Upper right lobe	83	29.54	88.956	4.163
	Middle right lobe	15	5.34	72.129	6.269
	Lower right lobe	50	17.79	86.270	4.334
	Middle-lower right lobe	11	3.91	62.430	28.016
Pathological classification						0.399	0.819
	Adeno	184	65.48	87.153	3.353
	Squamous	69	24.56	86.796	4.693
	Adeno-squamous	28	9.96	72.088	6.732
Completed resection						0.086	0.769
	Negative	74	26.33	86.855	4.682
	Positive	207	73.67	87.585	2.896
Pleural invasion						0.603	0.437
	Negative	41	14.59	75.441	5.521
	Positive	240	85.41	88.306	2.793
Tumor diameter						5.006	0.082
	d≤2 cm	54	19.22	83.671	5.032
	2 cm < d≤3 cm	101	35.94	90.290	3.418
	3 cm < d≤5 cm	126	44.84	81.492	3.999
Differentiation degree						12.554	0.028*
	Unknown	68	24.20	59.795	1.634
	Low	21	7.47	66.008	10.037
	Low-middle	22	7.83	80.430	19.739
	Middle	63	22.42	83.516	4.659
	Middle-high	54	19.22	82.105	4.350
	High	53	18.86	97.002	4.551
Lymphatic tumor emboli						5.950	0.015*
	Positive	12	4.27	36.530	4.866
	Negative	269	95.73	88.857	2.579
Intravascular tumor emboli						10.273	0.001**
	Positive	15	5.34	38.544	4.385
	Negative	266	94.66	89.293	2.579