Table 4.

Multivariate analysis of prognostic factors.

	OS	LRC	DFFR	PFS
Age	NS	NS	NS	NS
Sex	NS	NS	NS	NS
T	0.036∗	0.01∗	0.001†	<0.001†
N	NS	NS	0.017∗	0.016∗
Stage (III/IVA)	0.03∗	NS	NS	NS
Radiation dose	NS	0.006†	NS	NS
IC regimen	NS	NS	NS	NS
IC cycle	NS	NS	NS	NS
AC cycle	NS	NS	NS	NS

AC = adjuvant chemotherapy; DFFR = distant failure-free rate; IC = induction chemotherapy; LRC = local-regional control; NS = not significant; OS = overall survival; PFS = progression-free survival.

^∗P-value < .05.

^†P-value < .01.