Table 2.

Incidence of vitreoretinal lymphoma by gender and ethnicity in 13 areas of the National Cancer Institute’s Surveillance, Epidemiology and End Results Program^a, 1992–2014.

						Ethnicity rate ratio
Vitreoretinal lymphomab(Years)	Male count	Male ratec	Female count	Female ratec	Male/Female rate ratio	Males	Females
(1992–2014)
White (non-Hispanic)	6	0.0023	10	0.0030	0.77	1.00d	1.00d
Black	0	0.0000	0	0.0000
American Indian/Alaskan native	0	0.0000	0	0.0000
Asian/Pacific Islander	1	0.0026	3	0.0059	0.44	1.13	1.97
(1992–2002)
White (non-Hispanic)	3	0.0025	3	0.0021	1.19	1.00d	1.00d
Black	0	0.0000	0	0.0000
American Indian/Alaskan native	0	0.0000	0	0.0000
Asian/Pacific Islander	0	0.0000	1	0.0050			2.38
(2003–2014)
White (non-Hispanic)	3	0.0022	7	0.0038	0.58	1.00d	1.00d
Black	0	0.0000	0	0.0000
American Indian/Alaskan native	0	0.0000	0	0.0000
Asian/Pacific Islander	1	0.0043	2	0.0058	0.74	1.95	1.53

^aAtlanta, Connecticut, Detroit, Hawaii, Iowa, New Mexico, San Francisco–Oakland, Seattle-Puget Sound, Utah, Los Angeles, San Jose-Monterey, Rural Georgia and the Alaska Native Tumor Registry.

^bHistologic type ICD-O-3 code 9680 (diffuse large B-cell lymphoma) and primary site codes C692 (retina), C694 (intraocular), and C723 (optic nerve).

^cAge-adjusted using 2000 USA Standard per 100,000 person-years.

^dReferent group.