3.

Cox回归分析结果

Result of Cox regression analysis

Parameters	B	SE	Wald	P	Exp(B)	95%CI for Exp(B)
						Lower	Upper
Age	-0.185	0.303	0.374	0.541	0.831	0.459	1.504
Clinical stage	0.072	0.104	0.485	0.486	1.075	0.877	1.318
ECOG PS	0.154	0.182	0.717	0.397	1.167	0.816	1.667
Metastatic interval	-0.025	0.172	0.021	0.885	0.976	0.697	1.366
Metastatic numbers	0.300	0.282	1.133	0.287	1.350	0.777	2.346
Treatment methods	-0.077	0.329	0.055	0.815	0.926	0.486	1.766
Treatment cycles	-2.212	0.351	39.753	< 0.001	0.109	0.055	0.218
Symptoms of brain metastases	0.284	0.290	0.961	0.327	1.329	0.753	2.344
Extracranial metastasis	-0.515	0.182	7.979	< 0.001	0.597	0.418	0.854
Brain metastases order	-0.193	0.212	0.833	0.361	0.824	0.544	1.249