4.

广泛期小细胞肺癌一线化疗OS的多因素分析

Multivariate analysis of OS 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 bone metastasis and liver metastasis, whose cycle number was 1-3, respectively.
Smoking	Yes	1.39	1.01-1.91	4.156	0.041
Liver metastasis	Yes	2.20	1.57-3.07	20.952	< 0.001
Bone metastasis	Yes	1.70	1.26-2.28	12.27	< 0.001
Cycle number				43.771	< 0.001
	≥7	0.22	0.14-0.36	37.592	< 0.001
	4-6	0.39	0.28-0.55	29.696	< 0.001