Increased survival with the combination of stereotactic radiosurgery and gefitinib for non-small cell lung cancer brain metastasis patients: a nationwide study in Taiwan

Table 3 Hazard ratios (HR) with 95 % CI for the association between death and treatment type

Treatment type	Number	No. of brain surgery (%)	aHR (95 % CI)
WBRT	20241	420 (2.1)	1.00 (reference)
WBRT+ gefitinib	3379	113 (3.3)	0.74 (0.70-0.79)^*
WBRT + GK	155	20 (12.9)	0.50 (0.37-0.68)^*
WBRT+ gefitinib + GK	99	13 (13.1)	0.43 (0.31-0.61)^*

ISSN: 1748-717X