Table A3.

Results of Cox Proportional Hazards Analysis Evaluating Impact of RT Modality Within GC Categories

Model and RT Modality	HR	95% CI	P
Model I (GC < 0.4 subset)
Salvage RT	Reference		1
Adjuvant RT	0.76	0.11 to 5.46	.787
Model II (GC ≥ 0.4 subset)
Salvage RT	Reference		1
Adjuvant RT	0.20	0.04 to 0.90	.0357

Abbreviations: GC, genomic classifier; HR, hazards ratio; RT, radiation therapy.