Table 1. Patient characteristics by receipt of radiotherapy.

Characteristics	None (n=693), n [%]	RT (n=3,192), n [%]	Total (n=3,885)
Age at diagnosis (65+ years)	234 [34]	942 [30]	1,176
Sex (male)	355 [51]	1,278 [40]	1,633
Race (black)	101 [15]	368 [12]	469
Marital status
Single	257 [37]	961 [30]	1,218
Other (S/D/W/U)	178 [26]	897 [28]	1,075
Stage (regional)	154 [22]	1,331 [42]	1,485

RT, radiotherapy; S/D/W/U, separated/divorced/widowed/unmarried or domestic partner.