Table 4.

Descriptive statistics and adjusted association between patient and treatment factors associated withreceipt of one ormore surveillance advanced imaging studies during follow-up period among women with stage II-III breast cancer (N=10,838)†

	N	One or More Surveillance Scans
		Unadjusted Proportion % Yes (N=3,254)	Adjusted Odds Ratios			Adjusted Average Predicted Probability
			OR	95% CI		%	95% CI
	10838	30				30%	29%	31%
Overall
Sociodemographic Characteristics
Age
<50	3041	34	REF	--		31%	29%	33%
50–69	5126	31	0.96	0.86	1.06	30%	29%	31%
≥70	2671	23	0.88	0.75	1.04	28%	26%	31%
Race
White	9119	30	REF	--		30%	29%	31%
Black	1249	30	0.93	0.81	1.07	29%	26%	31%
Other	470	30	0.89	0.72	1.10	28%	24%	32%
Hispanic Ethnicity*
No	9207	30	REF	--		30%	29%	31%
Yes	576	33	1.04	0.86	1.26	31%	27%	34%
Percent in Zipcode with Less than High School Degree
29% or more	1780	32	REF	--		31%	29%	33%
20–28.9%	2786	30	0.93	0.81	1.06	30%	28%	31%
14%–19.9%	3642	30	0.95	0.83	1.08	30%	29%	32%
Less than 14%	2414	29	0.92	0.79	1.06	29%	28%	31%
Insurance Status
Private Insurance/Managed Care	5903	32	REF	--		30%	29%	31%
Medicaid	818	36	1.16	0.99	1.36	33%	30%	36%
Medicare & Other Government	3650	25	0.96	0.85	1.09	29%	27%	31%
Uninsured/Self-Pay/Insurance Unknown	467	35	1.14	0.93	1.40	33%	28%	37%
Urban/Rural*
Rural	243	24	REF	--		22%	17%	27%
Urban	10117	30	1.51	1.12	2.04	30%	29%	31%
Health and Tumor-Related Factors
Mean Charlson/Deyo Score (SD)
0	9195	30	REF	-		30%	29%	31%
1+	1643	30	1.08	0.95	1.21	31%	29%	34%
AJCC Pathologic Stage
Stage II	7724	26	REF	--		28%	27%	29%
Stage III	3114	39	1.46	1.32	1.62	35%	34%	37%
Grade*
I	1344	28	REF	--		32%	30%	35%
II	4381	29	0.89	0.77	1.02	30%	28%	31%
III	4494	32	0.89	0.76	1.03	30%	28%	31%
Histology
Ductal	9055	30	REF	--		30%	29%	31%
Lobular	1095	30	1.03	0.89	1.20	31%	28%	33%
Other	688	29	0.94	0.78	1.12	29%	25%	32%
ER, PR, Her2 Risk Group
ER or PR Po s, Her2neu Neg	6354	29	REF	--		29%	28%	31%
ER and PR Neg, Her2neu Neg	1647	33	1.14	1.00	1.30	32%	30%	34%
ERorPRPos,Her2neu Pos	1318	34	1.18	1.04	1.35	33%	30%	35%
ER and PRNeg, Her2neu Pos	755	36	1.17	0.99	1.38	33%	29%	36%
Chemotherapy*
No	2694	18	REF	--		21%	19%	23%
Yes	7981	34	1.92	1.68	2.20	33%	32%	34%
Surgery & Radiation Therapies*
Breast Conserving Surgery + Radiation	4287	27	REF	--		27%	26%	29%
Breast Conserving Surgery Only	499	21	0.95	0.75	1.20	26%	22%	30%
Mastectomy + Radiation	2771	40	1.42	1.27	1.60	34%	32%	36%
Mastectomy Only	3064	28	1.21	1.08	1.35	31%	29%	33%
Facility Type
Community Cancer Program/Other	3121	30	REF	--		31%	29%	32%
Comprehensive Community Cancer Program	5775	30	0.95	0.86	1.05	30%	29%	31%
Academic/Research Program	1942	31	0.96	0.84	1.09	30%	28%	32%

^*Bolded values indicate statistically significant differences, p<0.05