Table 2.

Multivariate Analyses of Outcomes After Initial Treatment Therapies, Overall Cohort

	OS				DFS
	RR	95% CI	P RRa	P Modelb	RR	95% CI	P RRa	P Modelb
Stage I
Any RAI vs none	0.79	0.35–1.89	.58	.50	1.79	1.28–2.56	.0005	<.0001
T/NTT vs other	2.04	0.65–9.09	.24		1.52	0.96–2.50	.07
Stage II
Any RAI vs none	0.67	0.36–1.28	.22	.13	0.70	0.49–1.01	.053	.11
T/NTT vs other	0.64	0.32–1.41	.25		0.92	0.58–1.52	.72
Stage III
Any RAI vs none	0.66	0.46–0.98	.04	.01	0.84	0.57–1.28	.40	.36
T/NTT vs other	0.70	0.47–1.08	.10		0.79	0.53–1.25	.31
Stage IV
Any RAI vs none	0.70	0.46–1.10	.12	.049
T/NTT vs other	0.66	0.41–1.11	.11

^aP value of the RR related to the parameter tested.

^bP value for the proportional hazards model that tested RAI vs none and T/NTT vs other.