Is traumatic brain injury a risk factor for neurodegeneration? A meta-analysis of population-based studies

BMC Neurology

Table 1 Individual for all included studies

Ref	Author, year	Type	TBI+ Neurodegeneration +	TBI+ Neurodegeneration -	TBI- Neurodegeneration +	TBI- Neurodegeneration -
20	Mehta KM, et al. 1999	Dementia (APOE)	11	788	118	5728
21	Luukinen H, et al. 2005		5	3	29	115
22	Sundström A, 2007		25	46	156	316
23	Luukinen H, et al. 2008		11	17	14	92
25	Wang HK, 2012	Dementia	1196	43,729	3499	221,186
26	Gardner RC, et al. 2014		4361	47,438	6610	108,891
27	Nordström P, et al.2014		108	45,141	458	765,915
28	Abner EL, et al. 2014		8	158	31	452
29	Rasmusson DX, et al. 1995	AD	20	1	48	33
30	Nemetz PN, et al. 1999		31	1252	957	2783
31	Barnes DE, et al. 2014		12	1217	1098	186,437
32	Spangenberg S, et al. 2009	Parkinson	87	73,232	8769	2,799,434
33	Lee PC, et al. 2012		42	50	315	704
34	Taylor KM, et al. 2015		69	24	310	206
35	Gardner RC, et al. 2015		891	51,502	1247	112,159
36	Kalkonde YV, 2012	FTD (TDP-43)	8	17	55	474
5	Wang HK, et al. 2015	FTD (TDP-43)	363	24,222	413	122,512
37	Chen H, et al. 2007	ALS (TDP-43)	24	42	85	213

ISSN: 1471-2377