Table 2.

The results of univariate and multivariate analysis for local control rate

Variables		Univariate p value	Multivariate p value	HR	95% CI
Sex (male vs. female)		0.012	0.06	0.23	0.051–1.06
Age (≥65 years vs. <65 years)		0.72	N/A	N/A	N/A
PS (0 vs. 1–2)		0.74	N/A	N/A	N/A
KPS (≥70 vs. <70)		0.49	N/A	N/A	N/A
Tumor length (≥3 cm vs. <3 cm)		0.46	N/A	N/A	N/A
Controlled primary tumor (yes vs. no)		0.25	N/A	N/A	N/A
Systemic metastases (yes vs. no)		0.20	N/A	N/A	N/A
Number of brain metastases (single vs. multiple)		0.66	N/A	N/A	N/A
Histological status	NSCLC	0.49	N/A	N/A	N/A
	SCLC	0.82	N/A	N/A	N/A
	Gynecology	0.0066	0.09	2.48	0.84–7.31
	Renal cell	0.86	N/A	N/A	N/A
	Head and neck	0.96	N/A	N/A	N/A
	Gastrointestinal tract	0.95	N/A	N/A	N/A
	Breast	0.56	N/A	N/A	N/A
	Others	0.43	N/A	N/A	N/A

PS: eastern cooperative oncology group performance status, KPS: Karnofsky performance status, NSCLC: non-small cell lung cancer, SCLC: small cell lung cancer, HR: hazard ratio, CI: confidence interval