Table 1: Demographics of subjects who did not receive treatment

	No Surgery, n = 29,470					No Chemotherapy, n = 49,705
	NHW (n = 25,805, 87.6%)		NHB (n = 3665, 12.4%)			NHW (n = 45,139, 90.8%)		NHB (n = 4566, 9.2%)
Age
Mean (median)	73.72(76)		68.83(70)			65.60(67)		63.62(65)
	n	%	n	%	p value	n	%	n	%	p value
Facility Type					< 0.01					< 0.01
Community Cancer Program	3724	14.4	402	11.0		4537	10.1	451	9.9
Comprehensive Community Cancer Program	15,540	60.2	1673	45.7		25,855	57.3	2069	45.3
Academic/Research Program	6510	25.2	1589	43.4		14,712	32.6	2045	44.8
Other specified types of cancer programs	31	0.03	1	0.0		35	0.1	1	0.0
Facility Location					< 0.01					< 0.01
New England	1777	6.9	75	2.1		2516	5.6	65	1.4
Middle Atlantic	4123	16.0	610	16.6		6710	14.9	725	15.9
South Atlantic	5265	20.4	1258	34.3		9756	21.6	1647	36.1
East North Central	4632	18.0	603	16.5		7760	17.2	683	15.0
East South Central	1785	6.9	376	10.3		3000	6.7	489	10.7
West North Central	1664	6.5	82	2.2		2773	6.1	93	2.0
West South Central	1839	7.1	422	11.5		3687	8.2	540	11.8
Mountain	1197	4.6	22	0.6		3148	7.0	55	1.2
Pacific	3523	13.7	217	5.9		5789	12.8	269	5.9
Primary Payor					< 0.01					< 0.01
Not Insured	693	2.8	236	6.7		1494	3.4	329	7.6
Private Insurance	5448	21.7	779	22.0		18,210	42.0	1472	33.8
Medicaid	838	3.3	384	10.9		1458	3.4	479	11.0
Medicare	18,080	72.2	2141	60.5		22,208	51.2	2072	47.6
Zip Code Level Income*					< 0.01					< 0.01
< $38,000	3979	16.0	1747	49.1		6454	14.8	2049	46.2
$38,000 - $47,999	6253	25.2	795	22.3		10,495	24.1	997	22.5
$48,000 - $67,999	6803	27.4	583	16.4		12,020	27.6	780	17.6
$63,000 +	7787	31.4	435	12.2		14,657	33.6	608	13.7
Zip Code Level Education*					< 0.01					< 0.01
> = 21% or without high-school diploma	3504	14.1	1415	30.8		5906	13.5	1668	37.6
13-20% without high-school diploma	6558	26.4	1334	37.5		10,957	25.1	1678	37.8
7-12.9% without high-school diploma	8786	35.4	602	16.9		15,347	35.2	781	17.6
< 7% or less without high-school diploma	5980	24.1	209	5.9		11,435	26.2	308	6.9
Charlson-Deyo Score					< 0.01					< 0.01
0	12,699	70.0	1742	65.4		23,229	76.8	2331	72.1
1	3708	20.5	651	24.4		5183	17.1	671	20.7
2	1728	9.5	272	10.2		1834	6.1	233	7.2
Urban/Rural					< 0.01					< 0.01
Urban	23,052	94.4	3433	97.0		40,369	94.4	4276	97.4
Rural	1357	5.6	108	3.1		2376	5.0	115	2.6
Year of diagnosis					< 0.01					< 0.01
2008 - 2012	9819	38.1	1536	41.9		14,905	33.0	1669	36.6
1998 - 2002	7670	29.7	1000	27.3		14,893	33.0	1331	29.2
2003 - 2007	8316	32.3	1129	30.8		15,341	34.0	1566	34.3
Reason for no treatment					< 0.01					< 0.01
Not part of planned first course treatment	20,924	81.1	2879	78.6		39,468	87.4	3836	84.0
Contraindicated due to patient risk factors	2561	9.9	352	9.6		1560	3.5	232	5.1
Patient died prior to treatment	309	1.2	58	1.6		623	1.4	104	2.3
Recommended but not performed; no reason recorded	712	2.8	98	2.7		419	0.9	71	1.6
Refused by patient, family or guardian	1299	5.0	278	7.6		3069	6.8	323	7.1

*Measure estimated by matching the zip code of patient record at time of diagnosis against files derived from 2000 U.S census data.