TABLE 2.

RT Use by Patient and Tumor Characteristics

	RT Refusal (%)	P*
All patients	2.2
Age (yr)		<0.001
<40	1.2
40–54	1.4
55–64	1.7
65–74	2.2
≥75	5.1
Sex		<0.001
Male	3.0
Female	2.0
Race		0.138
White	2.2
Black	2.1
Asian/Pacific Islander	2.3
American Indian/Alaska Native	3.1
Marriage status		<0.001
Single (never married)	2.3
Married	1.8
Separated/divorced	2.3
Widowed	4.0
Site of disease		<0.001
Lung	2.0
Head and neck	1.6
Breast	1.9
Prostate	7.6
Skin	3.1
Gastrointestinal
Esophagus	2.1
Stomach	3.8
Pancreas	2.5
Colon	8.4
Rectum/rectosigmoid	2.0
Gynecologic
Cervix	1.6
Uterus	2.3
SEER stage		<0.001
Localized	2.4
Regional	2.0

^*Pearson χ² value.