Table 6. Multivariate Cox models of event-free survival for study patients.

Charasteristic	HR	95% CI	P
Male	0.769	0.31–1.92	0.573
Metastatic disease	17.32	3.89–77.20	<0.001**
Histological response	3.13	0.62–15.78	0.166
Angiography	1.91	0.68–5.38	0.221
99mTc-MIBI	3.89	0.74–20.51	0.110
CRS	8.85	0.78–100.58	0.079

^** P<0.01.