Table 1.

Characteristics of stage II-III breast cancer patients at the time of diagnosis and first course treatment (n=10,838)^†

Patient Characteristics	N	Percent	Patient Characteristics	N	Percent
Sociodemographic Characteristics			Tumor Characteristics
Age			Stage at Diagnosis
<50	3041	28	II	7724	71
50–69	5126	47	III	3114	29
≥70	2671	25	Grade
Race			I	1344	12
White	9119	84	II	4381	40
Black	1249	12	III	4494	41
Other	470	4	Unknown	619	6
Hispanic Ethnicity			Histology
No	9207	85	Ductal	9055	84
Yes	576	5	Lobular	1095	10
Unknown	1055	10	Other	688	6
Mean Percent in Zipcode with Less than HS Degree (SD)			ER, PR, Her2 Risk Group
29% or more	1780	16	ER or PR Pos, Her2neu Neg	6354	59
20–28.9%	2786	26	ER and PR Neg, Her2neu Neg	1647	15
14%–19.9%	3642	34	ER or PR Pos, Her2neu Pos	1318	12
Less than 14%	2414	22	ER and PR Neg, Her2neu Pos	755	7
Unknown	216	2	Unknown ER/PR and/or Her2neu	764	7
Insurance Status			Chemotherapy
Private Insurance/Managed Care	5903	54	No	2694	25
Medicaid	818	8	Yes	7981	74
Medicare & Other Government	3650	34	Unknown	163	2
Uninsured/Self-Pay/Insiirance Unknown	467	4	Surgery & Radiation Therapies
Urban/Rural			Breast Conserving Surgery + Radiation	4287	40
Urban	10117	93	Breast Conserving Surgery Only	499	5
Rural	243	2	Mastectomy + Radiation	2771	26
Missing	478	4	Mastectomy Only	3064	28
Clinical Characteristics			Unknown Radiation	217	2
Charlson/Deyo Score (SD)			Facility Type
0	9195	85	Community Cancer Program/Other	3121	29
1+	1643	15	Comprehensive Community Cancer Program	5775	53
			Academic/Research Program	1942	18

^†Columns may not add to 100% due to rounding.