Table 3. Univariate analysis of overall survival.

Charasteristic		5-year OS	P
Age	<40 years	69.0	0.732
	≥40 years	63.3
Gender	Male	76.6	0.098
	Female	52.3
Location	Extremity	70.3	0.312
	Trunk	40.0
Metastasis	Absent	84.6	<0.001**
	Present	33.8
Histological response	necrosis<90%	83.0	<0.001**
	necrosis≥90%	43.6
X-ray	Good	70.9	0.691
	Poor	58.4
Angiography	Good	74.7	0.051
	Poor	39.1
MRI	ΔEM≥30%	76.7	0.113
	ΔEM<30%	58.4
201Tl	ΔUR≥30%	74.5	0.209
	ΔUR<30%	63.6
99mTc-MIBI	ΔUR≥30%	83.4	0.026*
	ΔUR<30%	47.8
CRS	≥60%	78.6	0.025*
	<60%	49.6

^* P<0.05,

^** P<0.01.