3.

肺转移瘤患者预后的单因素分析

Single factor analysis of the prognosis of patients with lung cancer metastasis

	n	5-year survival rate (%)	P
DFI: disease-free interval.
Gender			0.391
Male	30	28.7
Female	27	31.3
Age (yr)			0.004
≤60	36	21.9
> 60	21	36.5
DFI (mo)			< 0.001
≤36	38	19.8
> 36	19	40.2
Surgery			0.412
Partial resection	46	27.9
Lobectomy	11	30.8
Numbers of tumor			0.026
1	32	34.8
≥2	25	21.6
Size of tumor (cm)			< 0.001
≤4	42	37.2
> 4	15	11.9
Chemotherapy			0.403
Yes	24	30.8
No	33	27.6