Effect of pretreatment clinical factors on overall survival in glioblastoma multiforme: a Surveillance Epidemiology and End Results (SEER) population analysis

Table 3 Numbers of patients with GBM aged <50 by racial groups, diagnosis year groups, and 10-year age-bands

		10-Year Age-Bands
Racial Groups	Diagnosis Year Groups	20 to 29	30 to 39	40 to 49	Total
White	1973 to 1979	90	134	318	542
	1980 to 1989	86	190	401	677
	1990 to 1999	117	312	797	1,226
	2000 to 2008	231	551	1,852	2,634
White Total		524	1,187	3,368	5,079
Black	1973 to 1979	7	8	11	26
	1980 to 1989	6	18	35	59
	1990 to 1999	9	19	55	83
	2000 to 2008	20	29	130	179
Black Total		42	74	231	347
Asian/ Pacific Islander	1973 to 1979	4	3	7	14
	1980 to 1989	1	7	15	23
	1990 to 1999	10	28	42	80
	2000 to 2008	20	33	101	154
Asian/Pacific Islander Total		35	71	165	271
American Indian/ Alaska Native	1973 to 1979	–	–	–	–
	1980 to 1989	–	–	–
	1990 to 1999		3	3	6
	2000 to 2008	2	3	12	17
American Indian/ Alaska Native Total		2	6	15	23
Unknown	1973 to 1979	–	–	–	–
	1980 to 1989	–	–	2	2
	1990 to 1999	1	1	1	3
	2000 to 2008	–	3	2	5
Unknown Total		1	4	5	10
Other	1973 to 1979	–	–	–	–
	1980 to 1989	–	–	–	–
	1990 to 1999	–	–	–	–
	2000 to 2008	–	–	2	2
Other Total		–	–	2	2
All Races	1973 to 1979	101	145	336	582
	1980 to 1989	93	215	453	761
	1990 to 1999	137	363	898	1,398
	2000 to 2008	273	619	2,099	2,991
All Races Total		604	1,342	3,786	5,732

ISSN: 1477-7819