5.

广泛期小细胞肺癌一线化疗PFS的多因素分析

Multivariate analysis of PFS in extensive-stage SCLC patients who received first-line chemotherapy

Factor		HR	95%CI	Wald	P
Compare with patients who did not smoke, who were absence of liver metastasis and bone metastasis, whose cycle number was 1-3, respectively.
Smoking history	Yes	1.52	1.16-2.01	8.878	0.003
Liver metastasis	Yes	1.63	1.22-2.20	10.549	0.001
Bone metastasis	Yes	1.64	1.28-2.11	14.988	< 0.001
Cycle number				47.159	< 0.001
	≥7	0.25	0.17-0.38	44.261	< 0.001
	4-6	0.48	0.36-0.64	10.262	0.001