Table 2.

Logistics regression analyses for PR status in the training cohort.

Variables	B	SE	Wald	Significance
				univariate	multivariable
Age	0.37	0.29	1.61	0.20
Female	-0.31	0.30	1.13	0.28
Site	0.12	0.65	0.03	0.85
T stage	0.36	0.28	1.43	0.32
N Stage	0.97	0.67	2.11	0.15
Radiation	-0.31	0.37	0.007	0.93
Size	0.32	0.79	0.16	0.69
Volume	0.67	0.35	3.70	0.06
Rad-score	2.16	0.67	10.70	<0.001	<0.001