Table 1.

Clinical characteristic for patients

Variables	TKI	Non-TKI	P value
Age			0.1104
<65	91	141
≥65	13	37
Gender			0.3186
Male	62	118
Female	42	60
Smoking			0.5184
Yes	43	82
No	61	96
Histology			0.4329
AC	93	152
Non-AC	11	26
Intracranial symptom			1.21E−06
With	37	102
Without	67	76
BM number			0.027
<3	68	91
≥3	36	87
BM size			0.046
<3 cm	88	131
≥3 cm	16	47
T stage			0.1183
T0	18	18
Others	86	160
N stage			0.0004
N0	49	46
Others	55	132
EGFR mutation			0.2895
Positive	29	26
Negative	21	33
Unknown	56	119
Distant metastases			0.9434
With	55	92
Without	49	86