Table 1. Skeletal metastasis location of SMUP patients.

A. Metastasis (n = 286)
Location		p ※	Cases	%	MST(months)
Solitaly		<0.01	93	32.5%	39.0
Multiple		-	193	67.5%	16.0
B. Solitaly (n = 93) and Multiple (n = 193)
Location		site	cases	%	MST(months)
Solitaly		Spine	44	15.4%	11.0
		Extremity	16	5.6%	45.0
		Pelvc bone	16	5.6%	43.0
		Other	17	5.9%	37.5
Multiple	Single area	Spine Only	51	17.8%	9.0
		Extremity Only	4	1.4%	39.0
		Pelvis Only	3	1.0%	33.0
	Double area	Spine+Extremity	9	3.1%	12.0
		Spine+Pelvis	38	13.3%	9.5
		Extremity+Pelvis	9	3.1%	14.0
	Triple area and other	Whole Body	79	27.6%	7.0
C.PS (n = 286)
PS		p ※※	Cases	%	MST(months)
0		0.065	12	4.2%	45.0
1		0.065	101	35.3%	27.0
2		0.065	67	23.4%	20.0
3		-	53	18.5%	8.0
4		-	53	18.5%	14.0

MST: median survival time

^※The relationship between solitry metastasis and the multiple metastasis were calculated by using the log-rank test

^※※The relationship between PS and the metastatic status were calculated by using the t-test.