Table 1.

Demographic characteristics of ALS patients and control subject at the time of blood sampling at Irmandade da Santa Casa de Misericórdia de São Paulo (ISCMSP). In total, 12 control individuals and 14 patients were recruited

ALS patients		Male (7)/female (7)		Age (mean), 52
Control subjects		Male (6)/female (6)		Age (mean), 49
No.	Age	Duration	Medication	First motor signals	El Escorial
1	63	9 years	Riluzole	Left hemisphere	Definite1
2	45	3 years	Riluzole	Right superior	Definite
3	70	3 years	Riluzole	Right superior	Definite2
4	56	2 years	Riluzole	Left hemisphere	Definite
5	57	1 year	Riluzole	Left lower	Probable2
6	46	12 years	Riluzole	Left lower	Probable
7	33	2 years	Riluzole	Right superior	Definite
8	55	5 years	Riluzole	Lower	Definite
9	44	4 years	Riluzole	Superior	Possible
10	51	7 years	Riluzole	Right superior	Definite3
11	59	5 years	Riluzole	Bulbar	Definite
12	56	4 years	Riluzole	Left lower	Definite
13	40	6 years	Riluzole	Bulbar	Probable
14	57	3 years	Riluzole	Right superior	Definite

¹ALS patient with multiple sclerosis

²ALS patients with motor diseases cases in relatives

³fALS (familiar case)