Table 3. Multivariate analyses for target failure-free survival, in-lobe failure-free survival, regional failure-free survival, distant metastasis failure-free survival, progression-free survival, and overall survival.

stereotactic body radiation therapy (SBRT), genitourinary (GU), gynecologic (GYN), biologically effective dose with alpha-beta ratio of 10 (BED10)

Multivariate Analysis	Overall survival		Target failure-free survival
Factors	HR (95% CI)	P Value	HR (95% CI)	P Value
Age
At SBRT	-	-	-	-
At diagnosis	1.02 (1.01-1.04)	0.01	-	-
Tumor Size	1.30 (0.97-1.75)	0.08	1.87 (1.10-3.12)	0.02
Primary Origin
Breast	Reference		Reference
Esophagus	3.56 (0.84-15.1)	0.09	1.35 (0.13-13.7)	0.80
GYN	1.28 (0.29-5.57)	0.75	0.05 (0.00-1.20)	0.07
Head/Neck	1.84 (0.51-6.58)	0.35	*	0.97
Sarcoma	3.63 (0.87-15.2)	0.08	0.63 (0.05-7.92)	0.72
GU	0.69 (0.17-2.91)	0.62	1.32 (0.11-16.0)	0.83
Colorectal	0.86 (0.26-2.85)	0.80	1.17 (0.28-7.24)	0.68
Melanoma	1.33 (0.28-6.29)	0.72	*	0.99
Other	0.57 (0.10-3.40)	0.54	*	0.99
Number lesions at SBRT	-	-	0.26 (0.04-1.80)	0.17
BED10	0.99 (0.985-0.999)	0.02	0.98 (0.96-0.997)	0.02
Multivariate Analysis	In-lobe failure-free survival		Regional failure-free survival
Factors	HR (95% CI)	P Value	HR (95% CI)	P Value
Tumor Size	1.41 (1.17-1.70)	<0.001	-	-
Number lesions at SBRT	-	-	0.49 (0.31-0.76)	0.001
BED10	-	-	0.99 (0.98-0.997)	0.003
Time to 1st SBRT	-	-	0.99 (0.985-0.999)	0.02
Post SBRT Chemotherapy	2.08 (1.10-3.91)	0.02	-	-
Multivariate Analysis	Distant metastasis failure-free survival		Progression-free survival
Factors	HR (95% CI)	P Value	HR (95% CI)	P Value
Number lesions at SBRT	0.56 (0.38-0.82)	0.003	0.56 (0.44-0.72)	<0.001
Post SBRT Chemotherapy	2.65 (1.49-4.71)	<0.001	2.61 (1.72-3.98)	<0.001