Table 3.

Multivariate analysis.

Variable	OS			PFS
	HR	95% CI	p value	HR	95% CI	p value
SV	0.54	0.12–1.98	0.34	3.69	3.0–11.07	<0.0001
Disease status (CR versus <CR)	7.61	4.35–90.0	0.001	4.22	4.6–23.8	<0.0001

CI, confidence interval; CR, complete response; HR, hazard ratio; OS, overall survival; PFS, progression-free survival; SV, syncytial variant.