Table 5.

Characteristics of sALS and control subjects at time of biopsy

	ID	Age at biopsy	Sex	Disease duration at time of skin biopsy (months)	ALSFRS-R total at biopsy	Rate of ALSFRS-R decline*	FVC%
Control	1	62	F
	2	63	M
	3	53	F
	4	79	M
	5	60	F
	6	73	M
sALS1	7	67	F	24	34	0.58	97
	8	73	M	10	24	2.4	38
	9	67	F	14	35	0.93	78
	10	64	M	24	38	0.42	55
	11	66	F	5	40	1.6	118
	12	56	M	34	39	0.26	81
sALS2	13	72	M	12	39	0.75	105
	14	73	F	6	39	1.5	59
	15	66	F	11	43	0.45	102
	16	68	M	32	32	0.5	78
	17	69	F	15	29	1.27	96
	18	55	M	10	33	1.5	116

^a% Calculated as ((48−ALSFRS at skin BX)/disease duration at skin BX).