Table 2.

Characteristics of Hodgkin lymphoma (HL) patients (N = 12,492) by age at diagnosis and race/ethnicity, California, 1988-2006.

	Age 15-44								p- value	Age ≥45								p- value
	Race/ethnicity									Race/ethnicity
Characteristic	Non-Hispanic White		Black		Hispanic		Asian/ Pacific Islander			Non-Hispanic White		Black		Hispanic		Asian/ Pacific Islander
	n=5584	%	n=535	%	n=1691	%	N=418	%		n=3004	%	n=225	%	n=822	%	N=213	%
Sex
Male	2925	52.4	272	50.8	875	51.7	211	50.5		1683	56.0	117	52.0	492	59.9	138	64.8
Female	2659	47.6	263	49.2	816	48.3	207	49.5	0.79	1321	44.0	108	48.0	330	40.2	75	35.2	0.01
Year of diagnosis
1988-1992	1726	30.9	152	28.4	354	20.9	71	17.0		746	24.8	52	23.1	157	19.1	42	19.7
1993-1997	1467	26.3	146	27.3	405	24.0	82	19.6		757	25.2	60	26.7	188	22.9	52	24.4
1998-2002	1331	23.8	115	21.5	484	28.6	126	30.1		831	27.7	53	23.6	236	28.7	63	29.6
2003-2006	1060	19.0	122	22.8	448	26.5	139	33.3	<0.001	670	22.3	60	26.7	241	29.3	56	26.3	<0.001
Stage at diagnosis
I	807	14.5	79	14.8	227	13.4	61	14.6		593	19.7	41	18.2	149	18.1	49	23.0
II	2688	48.1	216	40.4	744	44.0	214	51.2		868	28.9	57	25.3	198	24.1	50	23.5
III/IV	1753	31.4	206	38.5	611	36.1	128	30.6		1301	43.3	107	47.6	415	50.5	97	45.5
Missing/unknown	336	6.0	34	6.4	109	6.5	15	3.6	<0.001	242	8.1	20	8.9	60	7.3	17	8.0	0.03
B-Symptoms
No	2003	35.9	177	33.1	563	33.3	185	44.3		981	32.7	73	32.4	232	28.2	75	35.2
Yes	1756	31.5	178	33.3	673	39.8	140	33.5		970	32.3	90	40.0	339	41.2	72	33.8
Missing/unknown	1825	32.7	180	33.6	455	26.9	93	22.3	<0.001	1053	35.1	62	27.6	251	30.5	66	31.0	<0.001
Histologic subtype
Nodular sclerosis	4377	78.4	375	70.1	1197	70.8	321	76.8		1441	48.0	90	40.0	305	37.1	93	43.7
Mixed cellularity	550	9.9	74	13.8	242	14.3	41	9.8		749	24.9	60	26.7	278	33.8	70	32.9
Lymphocyte  depletion	53	1.0	4	0.8	28	1.7	3	0.7		115	3.8	12	5.3	36	4.4	7	3.3
Lymphocyte rich	109	2.0	29	5.4	55	3.3	11	2.6		142	4.7	15	6.7	30	3.7	10	4.7
Not otherwise specified	495	8.9	53	9.9	169	10.0	42	10.1	<0.001	557	18.5	48	21.3	173	21.1	33	15.5	<0.001
First course of treatment
Combined  modality	2081	37.3	132	24.7	551	32.6	180	43.1		528	17.6	28	12.4	106	12.9	36	16.9
Radiation only	834	14.9	54	10.1	154	9.1	42	10.1		408	13.6	23	10.2	71	8.6	28	13.2
Chemotherapy  only	2128	38.1	279	52.2	802	47.4	168	40.2		1531	51.0	137	60.9	451	54.9	100	47.0
None/unknown	541	9.7	70	13.1	184	10.9	28	6.7	<0.001	537	17.9	37	16.4	194	23.6	49	23.0	<0.001
Neighborhood socioeconomic status (quintiles)
1 (Lowest)	381	6.8	156	29.2	526	31.1	28	6.7		272	9.1	78	34.7	268	32.6	27	12.7
2	906	16.2	144	26.9	456	27.0	60	14.4		515	17.1	56	24.9	204	24.8	36	16.9
3	1264	22.6	107	20.0	302	17.9	78	18.7		639	21.3	38	16.9	152	18.5	40	18.8
4	1510	27.0	86	16.1	253	15.0	119	28.5		738	24.6	27	12.0	110	13.4	47	22.1
5 (Highest)	1523	27.3	42	7.9	154	9.1	133	31.8		840	28.0	26	11.6	88	10.7	63	29.6
Vital status
Alive	4852	86.9	419	78.3	1431	84.6	377	90.2		1327	44.2	116	51.6	366	44.5	107	50.2
Death from HL	382	6.8	64	12.0	156	9.2	26	6.2		697	23.2	58	25.8	207	25.2	48	22.5
Death from Non-  Hodgkin  lymphoma or  Leukemia	56	1.0	14	2.6	18	1.1	2	0.5		214	7.1	7	3.1	66	8.0	14	6.6
Death from other  cancer	50	0.9	4	0.8	6	0.4	1	0.2		152	5.1	11	4.9	26	3.2	12	5.6
Death from  circulatory  disease	42	0.8	6	1.1	14	0.8	4	1.0		225	7.5	11	4.9	48	5.8	9	4.2
Death from other  cause	125	2.2	18	3.4	39	2.3	4	1.0		288	9.6	15	6.7	77	9.3	16	7.5
Death from  unknown cause	77	1.4	10	1.9	27	1.6	4	1.0	<0.001	101	3.4	7	3.1	32	3.9	7	3.3	0.07