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脑转移患者的基本临床资料

Basic clinical data of patients with brain metastases

Parameters		n	Proportion (%)
This study was a retrospective study that can not completely guarantee that all data is complete. Except for some main demographic and pathology information, incomplete data might inevitable exist in the collected characteristic. ECOG PS: Eastern Cooperative Oncology Group performance status.
Age (yr)	＜60	105	32.5
	≥60	218	67.5
Gender	Male	218	67.5
	Female	105	32.5
Histological type	Adenocarcinoma	206	63.7
	Squamous cell	31	9.6
	Adenosquamous	42	13.0
	Small-cell	23	7.1
	Other	21	6.6
Differentiation	High	8	7.7
	Moderate	56	53.8
	Low	40	38.5
Metastatic range	Central	156	48.4
	Peripheral	166	51.6
Clinical stage	Ⅰ or Ⅱ	30	9.3
	Ⅲa	53	16.5
	Ⅲb	69	21.4
	Ⅳ	170	52.8
ECOG PS	0-1	161	49.9
	2	112	34.7
	3-4	50	15.4
Metastatic interval	< 6 months	62	32.8
	6-12 months	76	40.2
	> 12 months	51	27
Metastatic sites	Cerebrum	296	92.2
	Cerebellum	14	4.4
	Other	11	3.4
Metastatic numbers	Single	165	51.2
	Multiple	157	48.8
Treatment methods	Chemotherapy or Radiotherapy	44	13.6
	Chemotherapy and Radiotherapy	175	54.2
	Surgery	79	24.5
	Palliative Care	25	7.7
Treatment cycles	≤3 cycles	120	43.6
	≥4 cycles	155	56.4
Symptoms of brain metastases	Yes No	178 144	55.3 44.7
Extracranial metastasis	Yes	183	56.8
	No	139	43.2
Brain metastases order	First site	21	11.7
	No first site	55	30.7
	Same time	103	57.6