Table 1.

Demographic Information

Case Number	Reference	Gender	Sport/actiivity	Age Sport Begun (years)	Years of Play	Age at Onset Symptoms (years)	Interval between retirement and symptoms (years)	Interval between symptom onset and death (years)	Age at Death (years)	ApoE Genotype
1	30	M	Boxing	17	11	38	10	13	51
2	31	M	Boxing	15	14	36	6	12	48
3	32	M	Boxing	14	10	46	10	7	53
4	32	M	Boxing	18	6	48	24	10	58
5	28	M	Boxing		4				49
6	33	M	Boxing
7	33	M	Boxing
8	34	M	Boxing	16	7	25	1	33	58
9	35	M	Boxing	12	12	30	6
10	35	M	Boxing	15	20	36	0	10	46
11	35	M	Boxing	19	12	31	0	15	46
12	35	M	Boxing	16	16	40	8	5	45
13	35	M	Boxing	15	13	28	0	16	44
14	35	M	Boxing	12	12		4		28
15	29	M	Boxing	11	14	25	0	38	63
16	29	M	Boxing		20	50	20	27	77
17	29	M	Boxing	16	14	30	0	33	63
18	29	M	Boxing	15	25	35	0	34	69
19	29	M	Boxing	18	18	36	0	25	61
20	29	M	Boxing	13	25	37	0	46	83
21	29	M	Boxing	16	20	54	18	8	62
22	29	M	Boxing	17	23	60	20	11	71
23	29	M	Boxing		>10	31	0	41	72
24	29	M	Boxing			40		27	67
25	29	M	Boxing			48		19	67
26	29	M	Boxing	14	16	43	4	14	57
27	29	M	Boxing	18	10				61
28	29	M	Boxing						91
29	29	M	Boxing						58
30	18	F	Physical Abuse						76
31	14	F	Autistic Head banging						24
32	36	M	Boxing		>25				63
33	36	M	Boxing		>25				69
34	19	M	Circus Clown		15				33
35	15	M	Boxing		>11	61	37	10	71
36	13,37	M	Boxing	11	12				23	ε3/ε4
37	13	M	Boxing	16	5		0		28
38	13	M	Head banging						28
39	13	M	Epilepsy						27
40	13	M	Soccer						23	ε3/ε3
41	38	M	Boxing		10	64			67	ε3/ε4
42	39	M	Boxing			76			78
43	17	M	Football	16	22				50	ε3/ε3
44	16	M	Football	18	14	35	2	10	45	ε3/ε3
45	21	M	Football	15	23	38	0	6	44	ε3/ε4
46	20	M	Wrestling	18	22	38	0	2	40	ε3/ε3
47	40	M	Football	16	17	36	3	3	36
48	41	M	Boxing	16	17	58		13	61	ε3/ε3
49	Case 1	M	Football	16	16	40	9	5	45	ε4/ε4
50	Case 2	M	Boxing	17	5	63	33	17	80	ε3/ε4
51	Case 3	M	Boxing	11	22	58	25	15	73	ε3/ε3

M =48 male; F = female