Table 2.

Racial differences in the presentation of Hodgkin lymphoma.

Characteristic	White		Black		A/PI		P-value
	Count	%	Count	%	Count	%	W versus B	W versus A/PI
n	14,076		1,693		722
Age, years
Mean	42		38		38		<.001	<.001
Interquartile Range	26–57		25–49		23–51
<45	8,472	60.19	1,148	67.81	493	68.28	<.001	<.001
≥45	5,604	39.81	545	32.19	229	31.72
Male sex	7,711	54.78	913	53.93	399	55.26	.51	.80
Stage
I	2,717	19.30	360	21.26	95	13.16	<.001	<.001
II	5,555	39.46	527	31.13	327	45.29
III	2,639	18.74	365	21.56	133	18.42
IV	2,349	16.69	356	21.03	128	17.73
Unknown	816	5.80	85	5.02	39	5.40
Extranodal disease
Yes	3,170	22.52	455	26.88	179	24.79	<.001	.17
No	10,090	71.68	1,153	68.10	504	69.81
Unknown	816	5.80	85	5.02	39	5.40
B symptoms
Yes	4,988	35.44	608	35.91	305	42.24	.06	.60
No	5,783	41.08	629	37.15	275	38.09
Unknown	3,305	23.48	456	26.93	142	19.67

Note: for each variable, cases with unknown information were excluded in calculating the P-value.

Abbreviations: W: whites; B: blacks; O: others.