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

Table 1 Numbers of patients with GBM by racial groups, diagnosis year groups, and age groups

		Age Groups
		<50	>/= 50	Total
Racial Groups	Diagnosis Year Groups
White	1973 to 1979	542	2,149	2,691
	1980 to 1989	677	3,587	4,264
	1990 to 1999	1,226	6,307	7,533
	2000 to 2008	2,634	14,698	17,332
White Total		5,079	26,741	31,820
Black	1973 to 1979	26	79	105
	1980 to 1989	59	112	171
	1990 to 1999	83	287	370
	2000 to 2008	179	701	880
Black Total		347	1,179	1,526
Asian/ Pacific Islander	1973 to 1979	14	24	38
	1980 to 1989	23	64	87
	1990 to 1999	80	248	328
	2000 to 2008	154	570	724
Asian/Pacific Islander Total		271	906	1,117
American Indian/ Alaska Native	1973 to 1979	–	–	–
	1980 to 1989	–	2	2
	1990 to 1999	6	18	24
	2000 to 2008	17	44	61
American Indian/ Alaska Native Total		23	64	87
Unknown	1973 to 1979	–	2	2
	1980 to 1989	2	2	4
	1990 to 1999	3	6	9
	2000 to 2008	5	19	24
Unknown Total		10	29	39
Other	1973 to 1979	–	–	–
	1980 to 1989	–	–	–
	1990 to 1999	–	1	1
	2000 to 2008	2	12	14
Other Total		2	13	15
All Races	1973 to 1979	582	2,254	2,836
	1980 to 1989	761	3,767	4,528
	1990 to 1999	1,398	6,867	8,265
	2000 to 2008	2,991	16,044	19,035
All Races Total		5,732	28,932	34,664

ISSN: 1477-7819